Series MI-04 · 439 instruments catalogued
Health
Body metrics and clinical formulas — instruments, not diagnoses.
In Service
388 built and verified20/20 Vision Calculator for 2020
Convert Snellen visual acuity (like 20/20 or 20/40) to decimal and LogMAR notation, with plain explanations of what each scale means.
In service MI-04-0034T Score Calculator | HIT
Four bedside criteria for suspected heparin-induced thrombocytopenia, each scored 0-2, summed into a 0-8 pretest probability used before lab confirmation.
In service MI-04-0046 Minute Walk Test Calculator
Predicts the expected six-minute walk distance and lower limit of normal from height, age, weight, and sex, using Enright and Sherrill's 1998 equations.
In service MI-04-00590 Minute Sleep Cycle Calculator
How many complete 90-minute sleep cycles you're getting tonight, in total minutes asleep and the earlier bedtime that follows from the arithmetic.
In service MI-04-006A1c Calculator – Hemoglobin A1c to Average Blood Sugar
Converts hemoglobin A1c into estimated average glucose (eAG) in mg/dL, using the linear formula the ADAG study fitted between the two.
In service MI-04-007Aa Gradient Calculator
The alveolar-arterial oxygen gradient compares the PaO₂ the lungs should deliver against the PaO₂ actually measured, from FiO₂, PaCO₂, and PaO₂.
In service MI-04-008ABI Calculator (Ankle-Brachial Index)
Divides the higher ankle systolic pressure by the higher arm systolic pressure to estimate ABI, a standard screening ratio for peripheral artery disease.
In service MI-04-009ABSI Calculator
A Body Shape Index (ABSI) turns waist circumference, BMI, and height into one figure for central fat, tracked independently of BMI itself.
In service MI-04-010Absolute Eosinophil Count Calculator
Turn a differential's eosinophil percentage into cells per microliter — the figure linked to allergic and parasitic conditions.
In service MI-04-011Absolute Lymphocyte Count Calculator
Convert a differential's lymphocyte percentage into cells per microliter — the figure adaptive-immunity guidelines actually reference.
In service MI-04-012Absolute Reticulocyte Count Calculator
Multiplies red blood cell count by percent reticulocytes to compute the absolute reticulocyte count, a gauge of how fast bone marrow is making new red cells.
In service MI-04-014Acid Base Calculator
Sort a measured arterial pH and PaCO₂ into the primary acid-base disturbance — respiratory or metabolic, acidosis or alkalosis — in one step.
In service MI-04-015Added Sugar Intake Calculator
Compares the AHA's fixed daily added-sugar cap against the WHO-style 10%-of-calories guideline, in grams, for any daily calorie target.
In service MI-04-016Adderall Dosage Calculator
FDA-labeled Adderall starting dose by formulation (IR/XR) and age. Starting dose only, not titration — a prescriber reference, not a self-dosing guide.
In service MI-04-017Addiction Calculator
Ten yes/no questions score the DAST-10 drug-use screen from 0 to 10, sorting the total into a risk tier from none to severe.
In service MI-04-018Adjusted Age Calculator
Corrected age for premature infants — chronological time minus weeks born early — used by pediatricians to judge developmental milestones fairly.
In service MI-04-019Adjusted Body Weight Calculator
Ideal body weight from the Devine formula, then adjusted body weight for medication-dosing reference — full arithmetic, honest limits.
In service MI-04-020Adrenal Washout Calculator
Absolute and relative washout percentages from enhanced, delayed, and unenhanced CT attenuation values help characterize an incidental adrenal mass.
In service MI-04-022Age-Adjusted D-dimer Calculator
Find the age-adjusted D-dimer cutoff (age × 10 ng/mL FEU) validated by the ADJUST-PE study for ruling out pulmonary embolism in patients 50 and older.
In service MI-04-023AHI Calculator | Apnea-Hypopnea Index
Apnea-Hypopnea Index from a sleep study: apneas plus hypopneas divided by total sleep hours, with AASM severity bands from normal to severe.
In service MI-04-025Albumin Creatinine Ratio Calculator
Divides urine albumin by urine creatinine to screen for early kidney damage from a single spot urine sample: ACR = albumin(mg) ÷ creatinine(g).
In service MI-04-026Albumin Globulin Ratio Calculator
Divides albumin by globulin (total protein minus albumin) to get the A/G ratio labs report alongside a routine total protein test.
In service MI-04-027Alcohol Unit Calculator
Converts any drink into UK alcohol units from its volume and ABV%, using the NHS formula — plus what the current 14-a-week guidance means.
In service MI-04-028Aldrete Score Calculator
Five recovery categories, each scored 0-2, summed into a 0-10 total anesthesia staff use to judge readiness to leave the post-anesthesia care unit.
In service MI-04-029Aleve Dosage Calculator
Naproxen mg/kg figures from the FDA prescription label for juvenile arthritis — not an OTC self-dosing tool. Aleve's own label says 'ask a doctor' under 12.
In service MI-04-030Allowable Blood Loss Calculator
Estimate how much blood a surgical patient can lose before transfusion is generally considered, from body weight, estimated volume, and hematocrit.
In service MI-04-031Alvarado Score Calculator
The eight-criterion Alvarado score for suspected appendicitis — exam findings and two lab values in, a 0-10 probability score out, with the arithmetic shown.
In service MI-04-033Amoxicillin Pediatric Dosage Calculator
Weight-based amoxicillin dosing for standard and high-dose otitis media, and strep throat — mg/day, doses per day, and mg per dose. Confirm with the prescription.
In service MI-04-035ANC Calculator — Absolute Neutrophil Count
Combine neutrophil and band percentages with a white blood cell count to get the ANC clinicians track for infection-fighting capacity.
In service MI-04-034ANC Calculator without Bands
Turn a lab report's segmented-neutrophil percentage into an absolute count when no separate band percentage is given.
In service MI-04-036Anion Gap Calculator
Calculates the anion gap from sodium, chloride, and bicarbonate — the panel figure clinicians use as a first step in sorting a metabolic acidosis.
In service MI-04-037Aortic Valve Area Calculator
Estimate aortic valve area from Doppler echocardiography using the continuity equation — LVOT area and two velocity-time integrals in, valve area in cm² out.
In service MI-04-038APACHE II Calculator
Calculate the APACHE II ICU severity score from 12 physiology variables, age, and chronic health status — a 0-71 total for risk-adjustment.
In service MI-04-040APGAR Score Calculator
Sums the five signs a clinician checks in a newborn at 1 and 5 minutes — appearance, pulse, grimace, activity, respiration — into one 0-10 total.
In service MI-04-041APRI Calculator
AST-to-Platelet Ratio Index from two routine blood-panel numbers, a noninvasive screening figure for liver fibrosis risk from real hepatitis C research.
In service MI-04-042Army Body Fat Calculator
The 1984 Hodgdon-Beckett Navy/Army tape-test formula: neck, waist, hip, and height in, estimated percent body fat out — the historical standard.
In service MI-04-043Arterial Age Calculator
Converts a coronary artery calcium (Agatston) score from a heart CT scan into arterial age, using the MESA study formula from an NHLBI-funded cohort.
In service MI-04-044Arterial Blood pH Calculator
Compute arterial blood pH from bicarbonate and PaCO₂ using the Henderson-Hasselbalch equation, the arithmetic behind every blood gas reading.
In service MI-04-045Ast Alt Ratio Calculator
Divides AST by ALT to get the De Ritis ratio — a liver-enzyme pattern clinicians weigh alongside the rest of a liver panel.
In service MI-04-046Audit Score Calculator
The complete ten-question AUDIT sums all ten items to a 0-40 score and reads it against the WHO manual's four risk zones, from low risk to likely dependence.
In service MI-04-047Audit-C Calculator – Am I an Alcoholic?
Three quick questions on drinking frequency, typical quantity, and heavy-drinking occasions add to the 0-12 AUDIT-C score, a brief validated alcohol screen.
In service MI-04-048Baby Eye Color Calculator
Estimates a child's brown, green, and blue eye-color odds from both parents' eye colors using a simplified 3-allele teaching model, not a scientific prediction.
In service MI-04-049Baby Formula Calculator
The AAP's rule of thumb: about 2.5 ounces of formula per pound of body weight a day, capped near 32 ounces — with the arithmetic shown.
In service MI-04-050Baby Percentile Calculator
Weight-for-age percentile for babies birth to 36 months, CDC 2000 growth chart LMS method — a screening estimate for your pediatrician, not a diagnosis.
In service MI-04-051Baby's Milk Intake Calculator
A commonly-cited 25 oz/day breastmilk average, divided by feedings per day — and why that daily total barely rises between 1 and 6 months.
In service MI-04-052BAC Calculator (Blood Alcohol Content)
Estimate blood alcohol content from drinks, weight, sex and elapsed time with the Widmark equation, and see exactly what the figure leaves out.
In service MI-04-053BAI Calculator - Body Adiposity Index
Body Adiposity Index from hip circumference and height alone — a scale-free body-fat estimate, with real DEXA-validation limits explained plainly.
In service MI-04-054Barthel Index Calculator
The Barthel Index: ten everyday activities, each scored on its own point scale, summed into one 0–100 measure of how much hands-on help someone needs.
In service MI-04-055BASDAI Score Calculator
The Bath Ankylosing Spondylitis Disease Activity Index: six 0-10 ratings in, one 0-10 disease-activity figure out, weighted as the original scale intended.
In service MI-04-056BBT Calculator | Basal Body Temperature
Compare today's waking temperature to your 6-day baseline against the 0.4°F thermal-shift threshold used in fertility-awareness charting.
In service MI-04-057BED Calculator
The linear-quadratic BED formula for radiotherapy: fractions, dose per fraction, and tissue α⁄β ratio in, biologically effective dose in Gy out.
In service MI-04-058Bedridden Patient Height Calculator
Estimate standing height from knee height, sex, and age using the Chumlea 1985 regression equations, for patients who cannot be measured standing up.
In service MI-04-059BEE Calculator
Computes basal energy expenditure with the 1984 Harris-Benedict revision — weight, height, age, and sex in, kcal per day out, shown term by term.
In service MI-04-060Beighton Score Calculator
Sums the nine pass/fail joint checks from a hypermobility exam — pinkies, thumbs, elbows, knees, and palms-to-floor — into a 0-9 total.
In service MI-04-061Benadryl Dosage Calculator
The 1 mg/kg clinical dosing convention for diphenhydramine — a prescriber reference, not the OTC label. Confirm any dose for a child under 6 with a doctor.
In service MI-04-062Benzodiazepine Conversion Calculator
Converts a benzodiazepine dose to the matching dose of another, using the widely cited Ashton Manual reference table, with the ratio and math shown.
In service MI-04-063Berg Balance Test Calculator
The Berg Balance Scale sums 14 observed physical tasks, each rated 0-4 by a trained assessor, into a 0-56 total banded into low, medium, and high fall risk.
In service MI-04-064Bicarbonate Deficit Calculator
Estimate the bicarbonate deficit in a metabolic acidosis from body weight and a measured bicarbonate level, using a standard 40% distribution assumption.
In service MI-04-066BIMS Calculator – Brief Interview for Mental Status
BIMS sums word repetition, temporal orientation, and word recall to a 0-15 nursing-home cognitive score — most quick summaries get the point split wrong.
In service MI-04-067Birth Control Calculator
Compare the annual and monthly cost of any birth control method from its per-unit price and how many units you use per year.
In service MI-04-068Birth Weight Percentile Calculator
Birth weight for gestational age percentile, Olsen 2010 U.S. growth curves — a screening estimate for small- or large-for-gestational-age, not a diagnosis.
In service MI-04-069Bishop Score Calculator
Adds the five components of a clinician's pelvic exam — dilation, effacement, station, consistency, position — into the 0-13 Bishop score.
In service MI-04-070Bladder Volume Calculator
Estimates bladder volume from three ultrasound measurements using the ellipsoid formula: volume = length × width × height × 0.52.
In service MI-04-071Blood Donation Due Date Calculator
Calculate exactly how many days remain before you're eligible to donate whole blood again, based on the 56-day national waiting period.
In service MI-04-072Blood Donor Calculator
Checks three basic blood donation thresholds — age 17+, weight 110+ lb, hemoglobin — per Red Cross guidance. Not a full eligibility screen.
In service MI-04-074Blood Pressure Calculator
Classifies a systolic/diastolic reading into the five 2017 AHA/ACC categories, from Normal through Hypertensive Crisis.
In service MI-04-075Blood Sugar Converter
Converts blood glucose between mg/dL (used in the US) and mmol/L (used almost everywhere else), using the exact molar-mass factor behind the number.
In service MI-04-076Blood Type Calculator
Predicts a child's ABO and Rh blood-type odds from both parents' phenotypes, weighting ambiguous genotypes by real US allele frequencies, not a 50/50 guess.
In service MI-04-077Blood Volume Calculator
Estimate total circulating blood volume from height, weight and sex using Nadler's 1962 regression equation for adults.
In service MI-04-001BMI Calculator
Body-mass index on a graduated scale, with the healthy weight range for your height.
In service MI-04-078BMI Calculator for Kids
BMI-for-age percentile for younger kids, ages 2 to 12, CDC 2000 growth chart LMS method — a screening estimate, not a diagnosis of any condition.
In service MI-04-079BMI Calculator for Men
The standard weight-over-height-squared BMI ratio, framed for male-specific search, with the one honest limitation that matters most for men: muscle versus fat.
In service MI-04-080BMI Calculator for Teens
BMI-for-age percentile for teens, ages 13 to 19, CDC 2000 growth chart LMS method — a screening estimate to discuss with a doctor, not a diagnosis.
In service MI-04-081BMI Calculator for Women
The same weight-over-height-squared BMI ratio, presented for female-specific search, plus two honest limits: population data and pregnancy weight.
In service MI-04-082BMI Percentile Calculator
BMI-for-age percentile for ages 2 to 20, CDC 2000 growth chart LMS method — a weight-screening estimate for a pediatrician, not a diagnosis.
In service MI-04-083BMI Weight Loss Calculator
Solve BMI backwards: choose a target BMI and a height, and this instrument returns the exact weight in kilograms that would produce that ratio.
In service MI-04-084BMR Calculator (Basal Metabolic Rate, Mifflin St Jeor Equation)
The Mifflin-St Jeor equation for resting calories: sex, weight, height, and age in — kcal per day out, with every term of the arithmetic shown.
In service MI-04-085BODE Index Calculator
The BODE index scores COPD across four domains — BMI, airflow obstruction, breathlessness, and walk distance — into one 0-10 mortality-risk figure.
In service MI-04-086Body Fat Calculator
Estimate body fat percentage from waist, neck, hip and height with the US Navy circumference equations. Separate male and female modes, working shown.
In service MI-04-087Body Frame Size Calculator
Divide height by wrist circumference to get the Grant index, a screening ratio nutrition and fitness charts use to sort frames into small, medium or large.
In service MI-04-089Braden Score Calculator
Score all six Braden subscales — sensory perception, moisture, activity, mobility, nutrition, friction/shear — and read the pressure-injury risk band, 6 to 23.
In service MI-04-090Breast Cancer Recurrence Risk Calculator
CTS5 estimates late distant recurrence risk for years 5-10 in ER+ breast cancer patients who finished 5 years of endocrine therapy without recurrence.
In service MI-04-092Breastfeeding Calorie Calculator
Current US guidance: add 330 kcal/day (0-6 months) or 400 kcal/day (7-12 months) to your baseline — the arithmetic shown, with the older figure explained.
In service MI-04-093BRI Calculator — Body Roundness Index
Body Roundness Index models the body as an ellipse from waist circumference and height alone, estimating central body fat without a scale.
In service MI-04-094BSA Calculator – Body Surface Area
Estimate body surface area in square metres from height and weight using the 1987 Mosteller formula clinicians use for drug dosing.
In service MI-04-095BUN Creatinine Ratio Calculator
Divides blood urea nitrogen by creatinine to produce a ratio clinicians read alongside kidney function tests to help narrow down likely causes.
In service MI-04-096Caffeine Calculator
Estimate how much of a caffeine dose remains after any elapsed time, using first-order elimination kinetics and an adjustable half-life.
In service MI-04-097CAGE Questionnaire Calculator
Four yes/no questions on cutting down, criticism, guilt, and morning drinking add to the 0-4 CAGE total, one of the oldest brief alcohol screens.
In service MI-04-098Calorie Calculator
Find a daily calorie target from weight, height, age, sex, activity level, and goal — resting rate scaled by activity, then adjusted for weight loss, maintenance, or gain.
In service MI-04-099Calorie Deficit Calculator
Turn a weekly weight-loss target into a daily calorie deficit and intake figure, using the 7700 kcal-per-kilogram rule of thumb.
In service MI-04-100Calorie Intake Calculator (Simple)
Estimate daily calorie needs from bodyweight alone, using the classic ×12/15/18 rule of thumb for weight loss, maintenance, or gain.
In service MI-04-101Carb Calculator (Carbohydrates)
Turn a percent-of-calories carbohydrate target into grams per day, using the 4-kcal-per-gram Atwater factor — with the division shown.
In service MI-04-102Carboplatin Calculator
Applies the Calvert formula — dose (mg) = target AUC × (GFR, capped at 125 mL/min, + 25) — to show carboplatin dosing arithmetic an oncology team performs.
In service MI-04-103Cardiac Index Calculator
Scale cardiac output by body surface area to get cardiac index in L/min/m², the figure clinicians use to judge whether output is adequate for a given body.
In service MI-04-104Cardiac Output Calculator
Find cardiac output in litres per minute from heart rate and stroke volume, the two numbers that together describe how much blood the heart moves.
In service MI-04-105CDAI calculator (Crohn's Disease Activity Index)
The 1976 Crohn's Disease Activity Index: a week of symptom-diary entries plus same-day exam and lab findings, combined into one severity score.
In service MI-04-106Cefdinir Dose Calculator
Cefdinir dosing by weight and regimen per the FDA label: 7 mg/kg twice daily or 14 mg/kg once daily, capped at 600 mg/day total.
In service MI-04-107Centor Score Calculator (Modified/McIsaac)
The modified McIsaac Centor score for sore throat: four bedside signs plus an age adjustment, summed into a strep-risk estimate.
In service MI-04-108Cerebral Perfusion Pressure Calculator
Calculate cerebral perfusion pressure from mean arterial pressure and intracranial pressure, the net driving pressure for blood entering the brain.
In service MI-04-109CHA2DS2-Vasc Calculator
CHA₂DS₂-VASc sums eight weighted stroke-risk factors in atrial fibrillation into a score from 0 to 9, informing anticoagulation discussions.
In service MI-04-110Chances of Having Twins Calculator
See the CDC/NCHS twin birth rate for a given maternal age group, converted into plain-language odds — about 1 in N births — from final 2024 U.S. data.
In service MI-04-111Charlson Comorbidity Index Calculator
Nineteen weighted comorbidities plus age points — the 1987 mortality index with its 1994 age adjustment, added up with every term shown.
In service MI-04-112Child Pugh Calculator
Child-Pugh sums five liver-function measures — bilirubin, albumin, INR, ascites, encephalopathy — into a severity total from 5 to 15.
In service MI-04-113Cholesterol Ratio Calculator
Divides total cholesterol by HDL to produce the ratio some cardiovascular risk tools use alongside the full lipid panel, not instead of it.
In service MI-04-114Cholesterol Units Converter
Convert cholesterol readings between mg/dL, used in the US, and mmol/L, used in most other countries, with the exact division shown.
In service MI-04-115Cigarette Calculator
See what a smoking habit costs per day and per year from cigarettes per day, cigarettes per pack, and the price of a pack.
In service MI-04-116Circadian Rhythm Calculator
Enter a local sunset time to see the natural bedtime window and wake time observed in a 2015 study of three pre-industrial societies without electric light.
In service MI-04-117CIWA Calculator
The revised Clinical Institute Withdrawal Assessment for Alcohol: ten symptom ratings in, a 0-67 severity total out, meant to be repeated through withdrawal.
In service MI-04-118Clomid Ovulation Calculator
Estimate the likely ovulation window after clomiphene (Clomid), counted 5 to 10 days from the last pill of the course, not the first.
In service MI-04-119Conception Calculator
Estimate which day of your cycle ovulation and the conception window likely fall on, using cycle length and the typical 14-day luteal phase.
In service MI-04-121Corrected Calcium Calculator
Adjusts a measured total calcium reading for low serum albumin using Payne's correction, so a falsely low result doesn't hide a normal calcium level.
In service MI-04-122Corrected Magnesium Calculator
Adjusts a measured serum magnesium reading for low albumin using a published formula and grades severity, flagged here as not well validated.
In service MI-04-123Corrected Reticulocyte Count Calculator
Corrects a raw reticulocyte percentage for anemia severity: CRC = reticulocyte% × (patient hematocrit ÷ 45), with every step of the arithmetic shown.
In service MI-04-126Creatinine Clearance Calculator
Estimates creatinine clearance from age, weight, sex, and serum creatinine using the 1976 Cockcroft-Gault equation, with its female factor and limits explained.
In service MI-04-127Crown-rump Length Calculator
Date early pregnancy from an ultrasound crown-rump length measurement using the 1975 Robinson and Fleming formula, from millimetres to weeks.
In service MI-04-128CURB-65 Calculator
CURB-65 sums five bedside and lab findings — confusion, urea, breathing rate, blood pressure, and age — into a pneumonia severity score from 0 to 5.
In service MI-04-129CVD Risk Calculator – Cardiovascular Disease 10-year Risk
Estimate 10-year risk of a first heart attack or stroke with the 2013 ACC/AHA Pooled Cohort Equations, the guideline tool for statin decisions.
In service MI-04-130DAPT calculator
The DAPT score: nine weighted factors, age alone subtracting, summed to help decide between standard and extended dual antiplatelet therapy after stenting.
In service MI-04-131DASI Calculator (Duke Activity Status Index)
Twelve everyday activities, each weighted by its energy cost, sum to a DASI score that converts into an estimated METs figure for functional capacity.
In service MI-04-132Dead Space Calculator
The Bohr equation compares arterial and exhaled CO2 to estimate physiologic dead space fraction (Vd/Vt), the share of each breath wasted on ventilation.
In service MI-04-133Denver HIV Risk Score Calculator
Score HIV risk from age, sex, race/ethnicity, and sexual and injection-drug behavior using the validated 2012 Haukoos Denver HIV Risk Score.
In service MI-04-134Depression Screening by PHQ-2 Calculator
Score the PHQ-2, a brief two-question depression screen used to flag when a fuller evaluation may help — not a diagnosis on its own.
In service MI-04-135Diabetes Risk Calculator
Estimate 7.5-year type 2 diabetes risk from age, sex, ethnicity, fasting glucose, blood pressure, HDL, BMI, and family history — Stern 2002 San Antonio model.
In service MI-04-136Diabetic Ketoacidosis Calculator
Calculate the anion gap and grade diabetic ketoacidosis severity (mild, moderate, severe) from sodium, chloride, bicarbonate, pH, and mental status.
In service MI-04-137DIC Syndrome Calculator
Sums four lab values — platelets, a fibrin marker, prothrombin time, and fibrinogen — into the ISTH overt DIC score, a 0-8 decision-support total.
In service MI-04-138Diet Risk Score Calculator
A 9-item, 0-27 point diet-quality screen built from a validated food-frequency questionnaire, with the low, moderate, and high risk tiers explained.
In service MI-04-139Diffuse Large B-cell Lymphoma Prognosis Calculator
Score diffuse large B-cell lymphoma prognosis with the NCCN-IPI (primary) and classic IPI from age, LDH ratio, stage, ECOG, and extranodal sites.
In service MI-04-140Dog Walking Benefits Calculator
Estimate calories burned walking a dog from body weight and walk duration, using the Compendium of Physical Activities' dedicated dog-walking MET value.
In service MI-04-141Doppler Echo Cardiac Output Calculator
Doppler echocardiography's VTI-times-LVOT-area method for stroke volume and cardiac output, worked step by step with the actual arithmetic shown.
In service MI-04-142Dosage Calculator
Multiply a body weight by an already-determined mg-per-kg figure to get a total dose in milligrams — a generic arithmetic aid, not dosing advice.
In service MI-04-143Draw Length Calculator
Estimate archery draw length from arm span/wingspan using the wingspan ÷ 2.5 rule of thumb — a starting point to confirm with an in-person pro shop fitting.
In service MI-04-144DRI Calculator
Adult protein RDA: 0.8 g per kg body weight per day, from the IOM's 2005 DRI report. A healthy-adult minimum, not a target for athletes or illness recovery.
In service MI-04-145Drip Rate Calculator
Turn an IV order's volume, drop factor, and infusion time into a countable drops-per-minute rate, with the multiplication and division spelled out.
In service MI-04-146Drops Per Minute Calculator
Convert a desired drops-per-minute rate and tubing drop factor into the equivalent mL/hour setting for an electronic infusion pump.
In service MI-04-147Drug Half-Life Calculator
Find how many hours have passed since a dose was given, working backward from the original amount and how much remains, using decay math.
In service MI-04-148DUDIT Calculator
The 11-item DUDIT sums drug-use answers to a 0-44 score, built on AUDIT's screening design but asking about drugs broadly rather than alcohol alone.
In service MI-04-149Due Date Calculator
Estimate days remaining to a 280-day due date with Naegele's rule, starting from days since your last menstrual period, not a calendar date.
In service MI-04-150Duke Treadmill Score Calculator
Combine exercise time, ST-segment deviation, and angina from a treadmill stress test into the Duke Treadmill Score, with its three risk categories.
In service MI-04-151EASI Score Calculator
The EASI formula for eczema severity: four body regions scored for four signs and area affected, combined with surface-area-based regional weights.
In service MI-04-152ECG Boxes to Seconds Calculator
Convert small and large ECG grid boxes into seconds at the standard 25 mm/s paper speed — the timing arithmetic behind every interval reading.
In service MI-04-153ECG Heart Rate Calculator
Turn the number of large ECG boxes between two heartbeats into a bedside heart rate estimate, using the classic 300-divided-by-boxes shortcut.
In service MI-04-154EDD Calculator - Estimated Date of Delivery
Estimate the days remaining to delivery from a known conception date — 266 days total, 14 days shorter than the LMP-based due date estimate.
In service MI-04-155EER Calculator — Estimated Energy Requirement
The Institute of Medicine's 2005 sex-specific energy equations, with an activity coefficient built directly into each formula, in kcal per day.
In service MI-04-157Ejection Fraction Calculator
Ejection fraction from end-diastolic and end-systolic volume: EF equals EDV minus ESV, divided by EDV, times 100 — with normal, reduced, and high ranges.
In service MI-04-158Endotracheal Tube Size Calculator
Cole's age-based formula for pediatric ETT diameter — uncuffed and cuffed sizes from age alone, with the one-size-up-and-down bedside rule stated plainly.
In service MI-04-159EORTC Bladder Cancer Recurrence and Progression Calculator
Score non-muscle-invasive bladder cancer recurrence and progression risk from six clinical factors using the Sylvester 2006 EORTC risk tables.
In service MI-04-160EPDS Calculator
Ten items, each 0-3, screening for postnatal depressive symptoms over the past week, with the single self-harm item flagged on its own.
In service MI-04-161Epworth Sleepiness Scale Calculator
Score the Epworth Sleepiness Scale from eight everyday situations, each rated 0-3, summed into a 0-24 total for excessive daytime sleepiness.
In service MI-04-162EROA - Mitral Regurgitation Calculator
Compute effective regurgitant orifice area and severity grade from PISA radius, aliasing velocity and Doppler jet measurements, a clinical echo reference tool.
In service MI-04-163Estimated Average Glucose Calculator
Convert a lab A1c percentage into the everyday mg/dL number your glucose meter shows, using the ADAG study's validated equation.
In service MI-04-164EtG Calculator
Interpret a urine ethyl glucuronide (EtG) result using SAMHSA's 2012 interpretive bands — negative, very low, low, or high positive.
In service MI-04-167Exclusive Pumping Calculator
Estimate a per-session pumping output range from population-average daily breast milk volume (562-887 mL/day, Kent et al. 2006) divided by your session count.
In service MI-04-169Fagerstrom Test for Nicotine Dependence Calculator
Six questions on smoking habits sum to a 0-10 Fagerström score for physical nicotine dependence, from time-to-first-cigarette to smoking while ill.
In service MI-04-170Fat Intake Calculator
Convert a percent-of-calories fat target into grams per day using the 9-kcal-per-gram Atwater factor, with every step of the division shown.
In service MI-04-171Fatigue Severity Scale Calculator
The Fatigue Severity Scale averages nine 1-7 ratings into a single mean, the same scale as each answer, with 4 or higher flagging significant fatigue.
In service MI-04-172FENa Calculator (Fractional Excretion of Sodium)
Urine and plasma sodium and creatinine in — FENa out, the bedside split between reduced blood flow to the kidney and actual tubular injury.
In service MI-04-173Fertility by Age Calculator
Population-average chance of conceiving within about a year, by female age band, from a 2004 study of 782 couples. Not a personal prediction.
In service MI-04-174Fetal Weight Percentile Calculator
Estimated fetal weight from ultrasound biometry (Hadlock formula) with a percentile vs. Hadlock's 1991 curve — a screening estimate, not a diagnosis.
In service MI-04-175FEUrea Calculator — Acute Kidney Injury Cause Differentiation
Urine and plasma urea nitrogen and creatinine in — FEUrea out, the sodium-independent alternative to FENa for patients on diuretics.
In service MI-04-176FEV1/FVC Ratio Calculator
Divides FEV1 by FVC from a spirometry test to get the percentage clinicians check first for airflow obstruction, with the GOLD 0.70 cutoff explained.
In service MI-04-177FFMI Calculator (Fat-Free Mass Index)
Fat-Free Mass Index from height, weight and body fat percentage — height-normalized so lean tissue compares fairly across different heights.
In service MI-04-178FIB-4 Calculator
Age, AST, platelets, and ALT combine into the FIB-4 score — a validated non-invasive screen for advanced liver fibrosis, with its cutoffs shown.
In service MI-04-179Fiber Calculator
Turn your daily calorie intake into a fiber target using the 14-gram-per-1000-kcal rule behind the Nutrition Facts label.
In service MI-04-180Finnegan Score Calculator
Modified Finnegan NAS score: sums 21 weighted withdrawal signs across CNS, metabolic/vasomotor/respiratory, and GI categories for neonatal opioid withdrawal assessment.
In service MI-04-181Fish Oil Calculator
Capsules per day to hit the AHA's ~1g/day combined EPA+DHA target for known heart disease, based on your product's actual EPA+DHA content per capsule.
In service MI-04-182Flange Size Calculator
Turn a measured nipple diameter into a recommended flange range — nipple diameter plus 3 to 4 millimeters, the clinical rule of thumb for a breast shield fit.
In service MI-04-183Frailty Index Calculator
Calculate the Rockwood/Mitnitski Frailty Index: 40 scored health deficits across daily activities, mood, comorbidity, cognition, and physical performance.
In service MI-04-184Framingham Risk Calculator
Estimate 10-year risk of a first cardiovascular event from age, cholesterol, HDL, blood pressure, smoking, and diabetes, using the D'Agostino 2008 Framingham profile.
In service MI-04-185Free Testosterone Calculator — with Bioavailable Levels
Calculate free testosterone from total testosterone, SHBG, and albumin using the Vermeulen (1999) closed-form equation.
In service MI-04-186Free Water Deficit Calculator
Sex, age, weight, and sodium in — an estimated free-water deficit out, a planning number, not a substitute for watching how sodium actually responds.
In service MI-04-187Fresh Frozen Plasma Dose Calculator
Dose fresh frozen plasma by weight across the clinical 10-20 mL/kg range, showing the arithmetic and the factor-level rise a full dose is built to produce.
In service MI-04-188Fundal Height Calculator
Estimate gestational age from fundal height in centimeters using McDonald's rule — plus the honest limits of a 1 cm equals 1 week estimate.
In service MI-04-189Gabapentin Dosage Calculator
Weight-based gabapentin starting and target doses for pediatric seizure adjunct therapy, ages 3-11, divided TID. Confirm with the prescribing clinician.
In service MI-04-190GAD-7 Calculator
Score the GAD-7 from seven anxiety symptoms over the past two weeks, each rated 0-3, summed into a 0-21 total with severity bands.
In service MI-04-191Gastric Sleeve Weight Loss Calculator
Bariatric surgery's standard outcome measure: weight lost against the excess above a BMI-25 target, not raw kilograms. The Deitel-Greenstein convention.
In service MI-04-192GCS Calculator (Glasgow Coma Scale)
Score consciousness level from eye opening, verbal response, and motor response. Sum the three and read the 3-15 total, with severity band.
In service MI-04-193Geriatric BMI Calculator
BMI using the shifted 'normal' range for older adults: underweight below 23, normal 23–29.9, overweight/obese at 30+, per a 32-study meta-analysis.
In service MI-04-194Gestational Age Calculator
Convert days since your last period into completed weeks and days — the standard obstetric convention, distinct from a projected due date.
In service MI-04-195GFR Calculator - Estimated Glomerular Filtration Rate
The 2021 CKD-EPI equation estimates kidney filtration from sex, age, and creatinine — the current race-free standard, with every branch of the arithmetic shown.
In service MI-04-196GIR calculator (Glucose Infusion Rate)
IV rate, dextrose concentration, and weight in — milligrams of glucose per kilogram per minute out, the figure neonatologists actually titrate against.
In service MI-04-197Glycemic Index Calculator
Turn a food's glycemic index and the carbohydrate in your actual serving into its glycemic load, with standard low, medium and high bands for both.
In service MI-04-198Glycemic Load Calculator
Glycemic index tells you how fast a food's carbs hit the bloodstream; glycemic load multiplies that by the actual grams in a real serving.
In service MI-04-199Gorlin Formula Calculator
The Gorlin equation for stenotic heart valve area: cardiac output, flow period, heart rate, and gradient in — flow rate and valve area out, arithmetic shown.
In service MI-04-200Gout Diagnosis Calculator
Seven weighted criteria, from joint redness to serum uric acid, sum to a 0-13 score estimating gout probability without needing joint fluid analysis.
In service MI-04-202Gupta Risk Calculator
Estimate perioperative risk of MI or cardiac arrest from age, functional status, ASA class, creatinine, and surgery type using the 2011 Gupta model.
In service MI-04-204Hand Sanitizer Calculator - Coronavirus
Scale the WHO's two official 2010 handrub formulations, ethanol or isopropanol, to any batch size in alcohol, peroxide, glycerol, and water.
In service MI-04-205Happiness Calculator
Score the validated 4-item Subjective Happiness Scale (Lyubomirsky & Lepper, 1999). A self-reflection research instrument, not a clinical diagnosis.
In service MI-04-206Harris-Benedict Calculator (Basal Metabolic Rate)
Sex, weight, height, and age in — BMR out, using the 1984 Roza-Shizgal revised coefficients, the original 1918 formula's modern replacement.
In service MI-04-207HAS-BLED Calculator
Nine one-point criteria sum to a 0-9 HAS-BLED score for bleeding risk on anticoagulation in atrial fibrillation — 3 or more flags closer monitoring.
In service MI-04-208hCG Levels Calculator
Calculate hCG doubling time from two blood draws and check the result against the 3,500 mIU/mL discriminatory zone recommended by ACOG.
In service MI-04-209Head Circumference Percentile Calculator
Head circumference-for-age percentile for babies birth to 36 months, CDC 2000 LMS method — a screening estimate, not a diagnosis of any condition.
In service MI-04-211HEART Score Calculator
Five categories, each 0-2, including clinical gestalt — summed for a chest-pain patient's short-term risk of a major cardiac event.
In service MI-04-212Height Calculator
Predict a child's likely adult height from both parents' heights using the classic mid-parental height method, with a ±8.5cm likely range.
In service MI-04-213Height Percentile Calculator
Stature-for-age percentile for ages 2 to 20, CDC 2000 growth chart LMS method — a screening estimate to discuss with a pediatrician, not a diagnosis.
In service MI-04-214Hematocrit to Hemoglobin Ratio Calculator
Divides hematocrit by hemoglobin to check the classic 'rule of three' — a quick sanity check that a blood count pair makes physiological sense.
In service MI-04-215HOMA-IR Calculator — Insulin Resistance
Fasting glucose and fasting insulin in, HOMA-IR out — the Matthews 1985 model clinics use to estimate insulin resistance from a single blood draw.
In service MI-04-216Hot Car Calculator
Estimates parked-car interior air temperature from outside temperature and time — an awareness tool only. Never leave a child or pet in a parked car, ever.
In service MI-04-217How to Maintain or Lose Weight During Pregnancy?
Personalized weekly-gain pace for the rest of pregnancy, based on actual gain so far, current week, and the IOM 2009 total-gain range for your BMI category.
In service MI-04-218HSI Calculator — Heaviness of Smoking Index
The 2-item Heaviness of Smoking Index: cigarettes per day and time to first cigarette after waking, scored 0-6 as a fast nicotine-dependence proxy.
In service MI-04-219Hydroxychloroquine Dose Calculator
Maximum recommended hydroxychloroquine dose by actual body weight: 5.0 mg/kg/day, per the AAO's 2016 revised guidance to reduce retinopathy risk.
In service MI-04-220Ibuprofen Dosage Calculator
Weight-based ibuprofen dosing: mg range, mL at 100 mg/5 mL strength, and the 24-hour cap. Not for infants under 6 months — confirm with a doctor first.
In service MI-04-221ICH Score Calculator
Hemphill's ICH score: five bedside findings, all readable off the first CT, summed into a 0–6 predictor of 30-day mortality after a brain hemorrhage.
In service MI-04-222ICH Volume Calculator
Intracerebral hemorrhage volume from a CT scan: two diameters and a slice count in, estimated volume in cm³ out, per the ABC/2 method.
In service MI-04-223Ideal Weight Calculator
The Devine equation worked out in full: a base figure at five feet plus 2.3 kg for every inch of height above it, read in kg, pounds or stone.
In service MI-04-224IIFYM Calculator (If It Fits Your Macros)
Protein set by body weight, fat set by percentage — carbohydrate absorbs whatever calories are left. The flexible-dieting macro split, worked in grams.
In service MI-04-225Implantation Calculator
Estimate the earliest, typical, and latest implantation day from ovulation, per a landmark hCG study — and why very early pregnancy tests can't work yet.
In service MI-04-226Incidence Rate Calculator
Turn new-case counts, a population at risk, and a follow-up period into an incidence rate per 100,000 person-years, the standard epidemiology unit.
In service MI-04-227Infant Tylenol Dosage Calculator
FDA label dose for 160 mg/5 mL acetaminophen by weight (24-95 lb), separate from the AAP's 10-15 mg/kg reference range. Always confirm with a doctor first.
In service MI-04-228Infectious Disease and Epidemic Calculator (SIR Model)
Enter a disease's basic reproduction number to get its herd immunity threshold and peak-infection fraction from the classic Kermack-McKendrick SIR equations.
In service MI-04-229Injury Severity Score Calculator
Baker's ISS: the three worst-injured of six body regions, AIS severity 1–6 each, squared and summed to a trauma-registry score out of 75.
In service MI-04-230INR Calculator
INR from prothrombin time: patient PT, control PT, and the reagent's ISI in — the internationally standardized clotting ratio out, arithmetic shown.
In service MI-04-231Insulin Dosage Calculator
Estimate a starting basal insulin dose — flat 10 units/day or weight-based 0.15-0.25 units/kg/day — for initiating therapy in type 2 diabetes.
In service MI-04-232IQ Percentile Calculator
Convert an IQ score to an approximate percentile via the logistic approximation to the normal curve (mean 100, SD 15) — an estimate, not a diagnosis.
In service MI-04-233Iron Deficiency Calculator
WHO age- and inflammation-adjusted ferritin cutoffs: enter ferritin, age, and inflammation status to screen for likely iron deficiency.
In service MI-04-235Isotretinoin Dose Calculator
Weight-based isotretinoin starting dose, maximum titrated dose, and conventional cumulative dose range for severe acne. Prescriber reference tool.
In service MI-04-236IV Flow Rate Calculator
Calculate IV pump flow rate in mL/hour from total volume and infusion time — the setting a modern electronic infusion pump actually needs.
In service MI-04-237IVF Due Date Calculator
Estimate days remaining to a 266-day due date from a known IVF transfer, by adding embryo age back to reconstruct the exact retrieval date.
In service MI-04-238IVIG Dose Calculator
Calculate the weight-based IVIG dose (2 g/kg, single infusion) for treating Kawasaki disease, per the AHA's 2017 scientific statement. Hospital/pediatric-cardiology reference tool.
In service MI-04-239Karvonen Formula Calculator
Target heart rate from heart rate reserve: max pulse, resting pulse, and effort fraction in — a training zone in beats per minute out.
In service MI-04-240Katch-McArdle Calculator
Weight and body fat % in, BMR out — the Katch-McArdle formula that estimates resting metabolism from lean body mass instead of population averages.
In service MI-04-241Keto Calculator
Fat and protein fixed as percentages of calories; carbohydrate is pushed low enough to trigger ketosis. Every gram of the split shown.
In service MI-04-242Kidney Failure Risk Calculator
Estimate 2- or 5-year risk of kidney failure in CKD stages G3-G5 from age, sex, eGFR, and urine ACR using the 4-variable KFRE.
In service MI-04-243Kidney STONE Calculator for Percutaneous Neprolithotomy
Sex, symptom timing, nausea/vomiting, and hematuria — four objective criteria summed to estimate an uncomplicated ureteral stone before ordering a CT.
In service MI-04-244Kt/V Calculator Daugirdas
The Daugirdas formula estimates spKt/V — how thoroughly hemodialysis cleared urea — from BUN, session length, fluid removed, and weight.
In service MI-04-245LDL Calculator
Total cholesterol, HDL, and triglycerides from a standard lipid panel — calculated into LDL using the 1972 Friedewald formula, with the arithmetic shown.
In service MI-04-246Lean Body Mass Calculator
Fat-free mass from weight and height by the Boer equation, with separate male and female coefficients and every digit of the sum shown.
In service MI-04-247Levothyroxine Dosage Calculator
Weight-based levothyroxine starting dose for hypothyroidism: ~1.6 mcg/kg/day full replacement, or a flat 25 mcg/day if over 50 or cardiac disease.
In service MI-04-248Lidocaine Dose Calculator
Maximum recommended lidocaine dose by weight: 4.5 mg/kg (max 300mg) without epinephrine, 7 mg/kg (max 500mg) with. For clinicians giving local anesthesia.
In service MI-04-249Light's Criteria Calculator for Pleural Effusion
Classify a pleural effusion as exudate or transudate from protein and LDH ratios, using the 1972 rule pulmonologists still reach for first.
In service MI-04-250Lille Score Calculator
The Lille model: six admission and day-7 values run through a logistic regression that predicts whether severe alcoholic hepatitis is responding to steroids.
In service MI-04-251Local Anesthetic Calculator
Computes the weight-based maximum safe dose for five local anesthetics, plain and with epinephrine, using commonly cited mg/kg limits, math shown.
In service MI-04-252LRINEC Score Calculator
Six lab values — CRP, WBC, hemoglobin, sodium, creatinine, glucose — sum to a 0-13 score flagging necrotizing fasciitis risk, not a surgical substitute.
In service MI-04-253Lung Cancer Risk Calculator
Estimate 6-year lung cancer risk from age, smoking intensity and duration, and health history using the PLCOm2012 model, validated in smokers aged 55 to 74.
In service MI-04-254Lung Capacity Calculator
Estimates predicted total lung capacity from height and sex using the ERS/ECCS 1993 reference equations — a reference figure, not a plethysmography result.
In service MI-04-255Lung Nodule Growth Rate Calculator
Two CT diameters and the days between scans, converted into true volume doubling time — the pace radiologists use to judge if a nodule is growing dangerously.
In service MI-04-256Luteal Phase Calculator
Work out luteal phase length from cycle length and a tracked ovulation day — the stable half of the cycle, and the figure some clinicians watch closely.
In service MI-04-257LV Calculator
Left ventricular mass index by echocardiography: septal thickness, internal diameter, posterior wall thickness, and BSA in — LV mass and LVMI out.
In service MI-04-258Macro Calculator
Turn a calorie target and a percentage split into exact daily grams of protein, carbohydrate and fat, using the Atwater energy factors.
In service MI-04-259Maddrey's Discriminant Function Calculator
Maddrey's Discriminant Function for alcoholic hepatitis: DF = 4.6 × (patient PT − control PT) + total bilirubin. DF ≥32 is the severe/steroid-eligible range.
In service MI-04-260Maintenance Calorie Calculator
Multiply Mifflin-St Jeor basal metabolic rate by an activity factor to estimate the daily calories that hold your weight steady, shown as plain arithmetic.
In service MI-04-261Maintenance Fluids Calculator
Weight in kilograms, three tiers of arithmetic, one daily fluid volume — the 1957 Holliday-Segar formula still taught on every pediatric ward.
In service MI-04-262MAP Calculator (Mean Arterial Pressure)
Find mean arterial pressure and pulse pressure from a systolic and diastolic reading, using the same one-third weighting clinicians use.
In service MI-04-266mcg to IU Converter
Convert vitamin D micrograms to International Units using the fixed 1-to-40 ratio, with NIH daily-allowance and safe-upper-limit reference points.
In service MI-04-267Meal Calorie Calculator
Divide a daily calorie target across a set number of meals to get an even per-meal budget — plain division, shown in full.
In service MI-04-268Mean Airway Pressure Calculator
Estimates average airway pressure across a ventilated breath from PIP, PEEP, rate, and inspiratory time, using the standard square-wave approximation.
In service MI-04-269Mean Sac Diameter Calculator
Average three orthogonal gestational sac diameters into a mean sac diameter, plus the old +30-day rough dating rule, for use before a fetal pole is visible.
In service MI-04-270Medical Radiation Calculator
Check a cumulative annual radiation dose against the NRC's 50 mSv/year occupational limit (10 CFR 20.1201) — for radiation workers, not single imaging exams.
In service MI-04-271Medicine 3 Times a Day Calculator
Space 2, 3, or 4 daily doses evenly across 24 hours from a first-dose time. A scheduling convenience — always follow the prescription label.
In service MI-04-272Melatonin Dosage Calculator
Age-tiered suggested maximum melatonin dose for children and teens, from a 2025 international expert consensus statement rather than a controlled dosing trial.
In service MI-04-273MELD Calculator (Model for End-Stage Liver Disease)
The original 2001 Model for End-Stage Liver Disease equation: bilirubin, INR, and creatinine in — a mortality-risk score out, with every log term shown.
In service MI-04-274Mentzer Index Calculator
Divides MCV by RBC count to help tell iron deficiency anemia apart from thalassemia trait before ordering iron studies or hemoglobin electrophoresis.
In service MI-04-275Metabolic Syndrome Calculator
Five cardiometabolic thresholds, counted: three or more of five flags a diagnosis under the NCEP ATP III definition.
In service MI-04-276Metastatic Prostate Cancer Prognosis Calculator
Classify metastatic hormone-sensitive prostate cancer as CHAARTED high-volume and/or LATITUDE high-risk from visceral, bone, and Gleason findings.
In service MI-04-277MEWS Score Calculator
Five vital signs banded and summed into one early-warning total, built to be recalculated at every observation so a worsening trend gets caught before a crisis.
In service MI-04-278Micronutrient Calculator
Look up the Recommended Dietary Allowance for calcium, iron, or zinc for adults aged 19-50, by sex, from NIH Office of Dietary Supplements figures.
In service MI-04-279MIPI Calculator (Mantle Cell Lymphoma International Prognostic Index)
Calculate the MIPI score and risk tier (low/intermediate/high) for mantle cell lymphoma from age, ECOG status, LDH ratio, and WBC count, per Hoster et al. 2008.
In service MI-04-280Mitral Valve Area Calculator
Mitral valve area from Doppler pressure half-time: one timing measurement in, valve area out, using Hatle's 1979 constant of 220.
In service MI-04-281MME Calculator
Convert any opioid's daily dose to morphine milligram equivalents using the CDC's published conversion factors, with the arithmetic shown.
In service MI-04-282mmol/L to mg/dL Calculator
Convert blood glucose between mmol/L (used by most of the world) and mg/dL (used in the US) with the standard ×18 factor.
In service MI-04-283Morse Fall Scale Calculator
Score fall risk from six weighted factors — fall history, diagnosis, aid, IV, gait, mental status — summed into a 0-125 Morse Fall Scale total.
In service MI-04-284Mortality Rate Calculator
Turn a death count and a population into a crude mortality rate per 100,000, the standard scale for comparing places and time periods.
In service MI-04-285NAFLD Fibrosis Score Calculator
The NAFLD Fibrosis Score from age, BMI, diabetes, AST/ALT ratio, platelets, and albumin — the six-term equation that flags who may need a liver biopsy.
In service MI-04-286Navy Body Fat Calculator
Estimate body fat percentage from neck, waist, height, and (for women) hip using the classic 1984 Navy circumference formula.
In service MI-04-288NEDOCS Calculator
Computes the NEDOCS score from bed counts, patients, and wait times using Weiss et al.'s 2004 formula — a department reference, not an individual patient score.
In service MI-04-289Net Carbs Calculator
An informal low-carb convention, not an FDA term: total carbohydrate minus fiber minus half the weight of sugar alcohols, with every gram shown.
In service MI-04-291NIH Stroke Scale Calculator
The 15-item, 11-category NIH Stroke Scale summed into a single 0-42 score — a scoring and reference aid for examiners already trained in the exam.
In service MI-04-292NLR Calculator
Divides absolute neutrophil count by absolute lymphocyte count from a routine blood count into the NLR, a cheap marker of physiologic stress.
In service MI-04-293NNT Calculator
Control and treatment event rates in — absolute risk reduction and number needed to treat out, the plain-arithmetic antidote to inflated relative-risk claims.
In service MI-04-294Noise Pollution Calculator - Maximal Exposure Time
Find how many hours of exposure a noise level permits under OSHA's or NIOSH's exchange-rate rules, with the halving math shown at each step.
In service MI-04-296Opioid Conversion Calculator
Converts one opioid's daily dose to another by routing both through morphine milligram equivalents, using the CDC's published conversion factors.
In service MI-04-297Osteoporosis Risk Calculator
Screen osteoporosis risk from weight and age using the OST index, a quick prompt toward bone density testing rather than a diagnosis.
In service MI-04-298Overweight Calculator
Find the weight at which BMI reaches 25 — the WHO overweight threshold — for a given height, and how far above it your weight sits.
In service MI-04-299Ovulation Calculator
Estimate ovulation day and a full 6-day fertile window from cycle length — not just a single day, based on sperm survival and egg viability.
In service MI-04-300Oxygenation Index Calculator
Combines ventilator mean airway pressure, FiO₂, and PaO₂ into the oxygenation index used in neonatal and pediatric intensive care.
In service MI-04-301Pack Year Calculator
Cigarettes per day and years smoked in, pack-years out — the standard figure behind lung cancer screening eligibility and cumulative smoking exposure.
In service MI-04-302Padua Score Calculator
Eleven weighted factors screening hospitalized medical patients for blood-clot risk on admission, before any clot has formed.
In service MI-04-303Paracetamol Dosage Calculator
UK NHS/BNF for Children age-banded paracetamol dosing for the 120mg/5mL infant liquid, ages 3 months to 5 years. Confirm with a pharmacist or GP first.
In service MI-04-304Parkland Formula Calculator
Estimate first-24-hour crystalloid fluid needs after a major burn from weight and %TBSA burned, split into the standard 8-hour and 16-hour phases.
In service MI-04-306Pearl Index Calculator
Convert trial failures and total woman-months of exposure into a Pearl Index — pregnancies per 100 woman-years, the standard contraceptive efficacy figure.
In service MI-04-307PECARN Calculator
PECARN's validated rule for when a child after minor head trauma may need a CT scan, using separate age-specific criteria for under 2 and 2-and-older.
In service MI-04-308Pediatric Blood Pressure Calculator
Screen a child's blood pressure against simple age- and sex-based thresholds validated against the 2017 AAP guideline tables, for ages 1-12.
In service MI-04-309Pediatric Blood Transfusion Volume Calculator
The validated Davies formula for pediatric red-cell transfusion volume, built from weight, desired hemoglobin rise, and the actual donor unit hematocrit.
In service MI-04-310Pediatric Blood Volume Calculator
Estimate circulating blood volume in infants and children from weight and an age-band mL/kg figure, the estimate transfusion and fluid planning start from.
In service MI-04-311Pediatric Dose Calculator
Estimate a child's dose from an adult dose using Clark's Rule (weight) and Young's Rule (age) — older fallback methods, not a substitute for known mg/kg dosing.
In service MI-04-312Pediatric Epinephrine Dose Calculator
Weight-based IM epinephrine dosing for anaphylaxis: 0.01 mg/kg of 1:1000, capped at 0.3 mg, plus auto-injector size. Emergency reference only.
In service MI-04-313Pediatric Epworth Sleepiness Scale Calculator
The 8-situation Epworth scale adapted for ages 12-18: score each dozing scenario 0-3 for a total daytime sleepiness score from 0 to 24.
In service MI-04-314Pediatric GFR Calculator - Glomerular Filtration Rate
The 2009 bedside Schwartz equation estimates a child's kidney filtration from height and creatinine, one constant, with the arithmetic shown in full.
In service MI-04-315Peptide Dosage Calculator
Turns vial mass, diluent volume, and your target dose into concentration, dose volume, and U-100 syringe units — reconstitution math only, not medical advice.
In service MI-04-316PERC Calculator - Pulmonary Embolism Rule-Out Criteria
Count the eight PERC criteria to see if a low-probability patient is PERC-negative for PE, a shortcut past D-dimer testing when used correctly.
In service MI-04-317Period Calculator
Subtract days already elapsed from your usual cycle length to see how many days remain until your next period — or how many days late it's running.
In service MI-04-318PF Ratio Calculator
Divides arterial oxygen pressure by the inspired oxygen fraction, the ratio the Berlin Definition uses to grade ARDS severity.
In service MI-04-319PISA Calculator
Calculate EROA, regurgitant volume, and ASE 2017 severity grade for primary mitral regurgitation from PISA radius, velocities, and VTI.
In service MI-04-320Plasma Osmolality Calculator
Sodium, glucose, and BUN in — the fast bedside estimate of plasma osmolality out, the version taught for rapid emergency-department mental math.
In service MI-04-321Plasma Volume Calculator
Estimate circulating plasma volume from height, weight, sex, and hematocrit — the liquid fraction of Nadler's total blood volume, arithmetic shown in full.
In service MI-04-322Pokémon GO Weight Loss Calculator
Estimate calories burned and the equivalent body fat from walking a Pokémon GO egg to hatching, using the standard MET formula for a moderate walking pace.
In service MI-04-323Ponderal Index Calculator
Divide weight by height cubed instead of squared. See the ponderal index beside BMI and find out why the two scales pull apart at height extremes.
In service MI-04-326Pregnancy Weight Gain Calculator
Recommended total weight gain and weekly pace by pre-pregnancy BMI category, straight from the 2009 Institute of Medicine guidelines.
In service MI-04-327Pregnancy Weight Gain: Week by Week Breakdown
Distributes the IOM's total pregnancy weight-gain range across the weeks themselves, so progress can be checked at any point, not just the endpoint.
In service MI-04-328Prescription Refill Calculator
Work out how many days a prescription will last from quantity dispensed, dose per administration, and doses per day.
In service MI-04-329Progesterone to Estrogen Ratio Calculator
Convert progesterone to pg/mL, then divide by estradiol — the matched-unit convention IVF clinics use around trigger day and embryo transfer.
In service MI-04-330Protein Calculator
Body weight and training load in, a daily protein target out — 0.8 to 2.0 grams per kilogram, with the multiplier and its source shown.
In service MI-04-331Protein Creatinine Ratio Calculator
Urine protein and creatinine from a single spot sample in — an estimate of 24-hour protein excretion out, without the collection jug.
In service MI-04-332PSA Density Calculator
PSA density divides serum PSA by measured prostate volume, correcting for benign enlargement so a raised PSA reading is easier to interpret.
In service MI-04-333PSA Doubling Time Calculator
Two PSA readings and the months between them yield an exponential doubling time — how fast a rising PSA is climbing.
In service MI-04-334PSI Calculator
Two-step PSI/PORT calculator: Class I gate plus weighted age, comorbidity, vital-sign, and lab points, bucketed into Classes I-V.
In service MI-04-335PVR Calculator - Pulmonary Vascular Resistance
Mean PA pressure, wedge pressure and cardiac output in — pulmonary vascular resistance out, in Wood units and dynes, straight from the catheterization lab.
In service MI-04-336Qp/Qs Calculator
Four oxygen saturations from a cardiac catheterization become one ratio — how much blood recirculates through the lungs versus the rest of the body.
In service MI-04-337qSOFA Score Calculator
Score quick SOFA from respiratory rate, mentation, and blood pressure — three bedside checks, no labs, sum to a 0-3 sepsis screening score.
In service MI-04-338QTc Calculator
Applies Bazett's square-root correction to a measured QT interval, adjusting for heart rate the way ECG machines have since 1920.
In service MI-04-339Quarantine Activity Calculator
Run Mifflin-St Jeor maintenance calories twice, before and after any activity-level change, and read off the exact daily calorie gap it opens up.
In service MI-04-340QUICKI Calculator
Fasting insulin and glucose in, QUICKI out — a logarithm-based sensitivity index validated against clamp studies, run head-to-head against HOMA-IR.
In service MI-04-345Radiation Dose Calculator
Absorbed dose in gray times a radiation weighting factor gives effective dose in sievert, millisievert, and rem — per ICRP Publication 103.
In service MI-04-346Rate Pressure Product Calculator
Multiplies heart rate by systolic pressure to estimate myocardial oxygen demand, the bedside index used in exercise-stress testing.
In service MI-04-347RBC Indices Calculator | What is MCHC?
Calculate MCHC from hemoglobin and hematocrit — how densely packed with hemoglobin the average red blood cell really is.
In service MI-04-348RCRI Calculator
Six equally-weighted criteria estimating cardiac complication risk in the 30 days after non-cardiac surgery, for pre-operative risk discussions.
In service MI-04-349REM Sleep Calculator
Estimate REM sleep in hours from total sleep time using the typical 20 to 25 percent adult share, with an honest note on infants.
In service MI-04-351Reverse Due Date Calculator
Given only a days-until-due figure, recover days since your last period and your current gestational age — the due-date calculator run backward.
In service MI-04-352Revised Geneva Score Calculator for Pulmonary Embolism
Eight purely objective findings sum to the Revised Geneva score for pulmonary embolism, 0 to 22, with published PE prevalence for each risk tier.
In service MI-04-353Revised Trauma Score Calculator
GCS, systolic blood pressure, and respiratory rate each coded 0-4 and combined with survival-model weights of 0.9368, 0.7326, and 0.2908 into the weighted RTS.
In service MI-04-354RFM Calculator (Relative Fat Mass)
Relative Fat Mass estimates body fat percentage from height and waist alone — a 2018 formula built as a simpler alternative to BMI.
In service MI-04-355RMR Calculator - Resting Metabolic Rate
Estimate resting metabolic rate in kcal/day from weight, height, age, and sex using the Mifflin-St Jeor equation.
In service MI-04-356RSBI Calculator - Rapid Shallow Breathing Index
Divides respiratory rate by tidal volume in liters, the bedside ratio that flags a fast, shallow breathing pattern before ventilator weaning.
In service MI-04-357SAAG Calculator – Serum-Ascites Albumin Gradient
Serum albumin minus ascites fluid albumin: one subtraction that sorts portal-hypertensive ascites from other causes, replacing the old exudate-transudate split.
In service MI-04-358SAPS II Calculator: Simplified Acute Physiology II Score Calculator
Calculate SAPS II, the ICU severity score that sums physiology, age, admission type, and chronic disease into a predicted hospital mortality percentage.
In service MI-04-359SCORAD Calculator - SCORing Atopic Dermatitis
The SCORAD formula for atopic dermatitis: extent, six intensity signs, and patient-reported itch and sleep loss combined into one severity score.
In service MI-04-360Sepsis Calculator (Sepsis-3 Criteria)
Sepsis-3's two-part definition, checked plainly: suspected infection AND a SOFA score risen by 2 or more points from baseline — both required, neither alone.
In service MI-04-361Serum Osmolality Calculator
Sodium, glucose, and BUN in — the 1975 Dorwart-Chalmers regression formula out, fitted against real measured osmolality, not just taught shorthand.
In service MI-04-362Shock Index Calculator
Shock index divides heart rate by systolic blood pressure — a fast triage ratio flagging possible circulatory compromise above about 0.9.
In service MI-04-363Skinfold Body Fat Calculator
Jackson-Pollock 3-site skinfold method: three caliper readings and age into body density, then the Siri equation into body fat percentage.
In service MI-04-364Sleep Calculator
Turn a chosen number of 90-minute sleep cycles into actual sleep hours and total time in bed, with the arithmetic behind waking near a cycle boundary.
In service MI-04-365Sleep Cycle Calculator
Starting from a chosen bedtime, get three wake-up options — 4, 5, or 6 complete 90-minute sleep cycles — accounting for time to fall asleep.
In service MI-04-366Sleep Debt Calculator
Multiply a nightly sleep shortfall by the nights it's built up over to see the accumulated hours-behind total — and why one long night rarely erases it.
In service MI-04-367Sleep Time Calculator
Find the National Sleep Foundation panel's recommended sleep-hour range for any age, from newborns to older adults.
In service MI-04-368Smoking Recovery Calculator
See which smoking-cessation health milestone you've reached, from 20 minutes to 10+ years smoke-free, per the Surgeon General's cessation report.
In service MI-04-370Sobriety Calculator
Convert days sober into weeks, months, and years using the true average month and leap-year-adjusted year lengths, not a flat ÷30 and ÷365.
In service MI-04-372Sodium Change Calculator in Hypertriglyceridemia
Corrects a falsely low sodium reading from severe hypertriglyceridemia — a lab measurement artifact, not a true deficit — using Waugh's serum water equation.
In service MI-04-373Sodium Correction Calculator
Predict how much one liter of a chosen IV fluid will shift serum sodium, using the Adrogué-Madias equation from the original 2000 hyponatremia paper.
In service MI-04-374Sodium Correction Rate Calculator for Hypo- and Hypernatremia
Check whether a 24-hour sodium correction stays within the 8 mEq/L (6 mEq/L if high-risk) limit widely used to reduce osmotic demyelination syndrome risk.
In service MI-04-375Sodium Deficit Calculator
Current sodium, target sodium, weight, sex and age in — total mEq of sodium needed to close the gap, using a standard total-body-water mass-balance estimate.
In service MI-04-376Sodium in Salt Calculator
Convert grams of table salt to milligrams of sodium using the precise 39.3 percent chemistry figure, not the rounded 40 percent rule of thumb.
In service MI-04-377SOFA Score Calculator
Score six organ systems from PaO2/FiO2, platelets, bilirubin, cardiovascular status, GCS, and creatinine into a 0-24 total tracked daily in the ICU.
In service MI-04-378Sperm Analysis Calculator
Compares six semen analysis values against the WHO's 2021 5th-percentile lower reference limits. A lab-value reference tool, not a fertility diagnosis.
In service MI-04-379Standard Drink Calculator
Volume and ABV in, US standard drinks out — built from ethanol's actual density and the 14-gram definition the US uses for one standard drink.
In service MI-04-380Steroid Conversion Calculator
Converts a dose of one corticosteroid to the matching anti-inflammatory dose of another, using the standard eight-drug potency table, arithmetic shown.
In service MI-04-382STOP-BANG Calculator
Score obstructive sleep apnea risk from eight yes/no questions — snoring, tiredness, and five more — summed into a 0-8 STOP-Bang total.
In service MI-04-383Stroke Volume Calculator
End-diastolic and end-systolic volume in, stroke volume out — the raw milliliters your left ventricle ejects with every single heartbeat.
In service MI-04-384TDEE Calculator - Total Daily Energy Expenditure
Multiply the Mifflin-St Jeor basal metabolic rate by an activity factor to estimate total daily energy expenditure, in kcal.
In service MI-04-385Testosterone to Estradiol Ratio Calculator
Divide total testosterone (ng/dL) by estradiol (pg/mL) exactly as reported, the way TRT clinics track it, to watch for excess aromatization on therapy.
In service MI-04-386TI-RADS Calculator
ACR TI-RADS: five ultrasound features of a thyroid nodule, each scored on its own point scale, summed into a TR1-through-TR5 risk category.
In service MI-04-387Tidal Volume Calculator
Sizes ventilator tidal volume to predicted body weight from height, the ARDSnet protocol behind modern lung-protective ventilation.
In service MI-04-388Time Of Death Calculator
Body cooling since death, estimated at 1.5°F per hour by Glaister's classic teaching rule — a rough approximation, honest about its own limits.
In service MI-04-389TIMI Score Calculator for UA/NSTEMI
Seven equally-weighted criteria for unstable angina and NSTEMI, summed for the 14-day risk of death, a new heart attack, or urgent revascularization.
In service MI-04-390TIMI Score for STEMI Calculator
Eight weighted criteria for ST-elevation MI, from age to treatment delay, combined for 30-day mortality risk after a full coronary occlusion.
In service MI-04-391Tinetti Calculator
The Tinetti Performance-Oriented Mobility Assessment: a clinician-observed balance subscore and gait subscore, added into one 0–28 fall-risk total.
In service MI-04-392Total Body Water Calculator
Sex, age, height, and weight in — total body water in litres out, from the 1980 Watson regression built on real anthropometric measurements.
In service MI-04-393tPA Calculator – Stroke Dosing
IV alteplase dosing for acute ischemic stroke: 0.9 mg/kg, capped at 90 mg — 10% bolus over 1 minute, 90% infused over 60 minutes. Clinical/hospital use only.
In service MI-04-394Tramadol Dosage Calculator
FDA-labeled ULTRAM (tramadol) dosing by age, renal impairment, and hepatic impairment: per-dose range, dosing interval, and daily maximum.
In service MI-04-395Transferrin Saturation Calculator
Divides serum iron by TIBC to get transferrin saturation — the iron-panel figure used to screen for both iron overload and iron deficiency.
In service MI-04-396TTKG Calculator - Transtubular Potassium Gradient
Urine and plasma potassium plus both osmolalities in — the transtubular potassium gradient out, a once-standard index nephrology now debates.
In service MI-04-397Twin Pregnancy Weight Gain Calculator
Recommended total weight gain for twin pregnancies by pre-pregnancy BMI category, from the Institute of Medicine's 2009 provisional twin guidelines.
In service MI-04-398Tylenol Dosage Calculator
Weight-based acetaminophen dosing: mg range, mL at the standard 160 mg/5 mL syrup strength, and the 24-hour cap. Confirm with a doctor or pharmacist first.
In service MI-04-399Tylenol Overdose Calculator
Rumack-Matthew treatment-line calculator for a single, known-time acute acetaminophen overdose. Emergency use only — call Poison Control (1-800-222-1222) or 911.
In service MI-04-400Urine Anion Gap Calculator
Urine sodium, potassium, and chloride in — the urine anion gap out, showing whether a non-anion-gap acidosis points toward the kidney or the gut.
In service MI-04-401Urine Home Pregnancy Test
Check whether a given hCG level clears the measured analytical sensitivity threshold of a high-sensitivity or standard home urine pregnancy test brand-tier.
In service MI-04-402Urine Output Calculator
Volume, weight, and time in — urine output rate in mL/kg/hr out, checked against the KDIGO 0.5 mL/kg/hr oliguria threshold used in AKI staging.
In service MI-04-403URR Calculator - Urea Reduction Ratio
Pre- and post-dialysis BUN in — the urea reduction ratio out, the simplest bedside check against the national hemodialysis-adequacy target.
In service MI-04-404Vaccine Efficacy Calculator
Compare attack rates between a trial's vaccinated and unvaccinated arms to compute vaccine efficacy, the standard epidemiology formula behind published trials.
In service MI-04-418VBAC Calculator (Vaginal Birth After Cesarean Section)
Estimate the probability of a successful vaginal birth after cesarean using the original 2007 MFMU Network model, for shared decision-making.
In service MI-04-419Venous Blood pH Calculator
Calculates pH from venous HCO3 and PCO2 using the Henderson-Hasselbalch equation. A blood-gas interpretation tool for clinicians, not a home diagnostic.
In service MI-04-420Vital Capacity Calculator
Estimates slow vital capacity from height, age and sex using the 1948 Baldwin-Cournand-Richards equation — historical and educational, not clinical.
In service MI-04-421Vitamin A Calculator
Convert vitamin A from mcg RAE to IU using the correct source factor — 3.33 for retinol or supplemental beta-carotene, 20 for food beta-carotene.
In service MI-04-422Vitamin Calculator
Look up the NIH-set RDA for Vitamin C, Vitamin B12, or Folate for adults ages 19-50, and see which one actually differs by sex.
In service MI-04-423Vitamin D Calculator
NIH-based vitamin D recommendations by age group, in both IU and micrograms, plus why infants and adults over 70 get different figures.
In service MI-04-424VLDL Calculator
Estimates VLDL cholesterol as triglycerides ÷ 5, the ratio embedded in the 1972 Friedewald formula — a quick standalone read of a routine lipid panel.
In service MI-04-425VTE Risk Score Calculator in Pregnancy
Score antenatal and postnatal VTE risk with the RCOG Green-top 37a point table, including the threshold rules and specialist-referral pathway.
In service MI-04-426Waist to Height Ratio Calculator
Waist-to-height ratio in one division — the simple rule this measure is built around: keep your waist under half your height.
In service MI-04-427Waist to Hip Ratio Calculator
Waist-to-hip ratio from two tape measurements, checked against the WHO's abdominal-obesity thresholds of 0.90 for men and 0.85 for women.
In service MI-04-428Wake Up Calculator
Work backward from a fixed wake-up time to bedtimes for 4, 5, or 6 sleep cycles (6, 7.5, or 9 hours), accounting for time to fall asleep.
In service MI-04-429Warfarin Dosing Calculator
Warfarin first-2-days starting dose per ACCP/CHEST guideline: 10 mg/day standard, 5 mg/day if high-risk. Days 1-2 only — not ongoing INR-guided dosing.
In service MI-04-430Warsaw Method Calculator
Estimate extended-bolus insulin dose for high-fat, high-protein meals with the Warsaw method (FPU). Dose only — bolus duration isn't calculated here.
In service MI-04-431Water Intake Calculator
Body weight in, daily fluid target out — 33 ml per kilogram, reported in litres and in 250 ml glasses, with the guideline's arithmetic laid open.
In service MI-04-432Weight Gain Calculator
Starting and current figures in, percent gained out — the mirror of this site's Weight Loss Percentage calculator, same ratio, opposite direction.
In service MI-04-433Weight Loss Percentage Calculator
Starting and current figures in, percent lost out — the ratio bariatric-surgery outcome studies report as %TWL, scaled to compare any two people fairly.
In service MI-04-434Weight Percentile Calculator
Weight-for-age percentile for ages 2 to 20, CDC 2000 growth chart LMS method — a screening estimate to discuss with a pediatrician, not a diagnosis.
In service MI-04-436Wells Score Calculator for Pulmonary Embolism
Seven weighted findings sum to a Wells score for PE, 0 to 12.5 — read as the original three-tier bands or the modern PE-likely/unlikely split.
In service MI-04-437What is a False Negative Pregnancy Test?
See how early pregnancy test detection rates change by days before your expected period, from a manufacturer's published clinical study.
In service MI-04-438What to do after you get a positive pregnancy test?
After a positive test: days remaining, counted from your last menstrual period, before ACOG's recommended window for an initial prenatal assessment.
In service MI-04-439Winters' Formula Calculator
Predicts the PaCO₂ a metabolic acidosis should produce through respiratory compensation, and flags a measured value that points to a second acid-base disorder.
In serviceOn the Board
51 catalogued · not yet builtThese sheets are numbered and queued. They are listed for transparency about what this series will contain — they are not links yet, because nothing here ships before its formula is verified twice.
- MI-04-013 ACFT Calculator
- MI-04-021 AFT Calculator — US Army Fitness Test
- MI-04-024 Air Force PT Calculator
- MI-04-032 Alzheimer’s Life Expectancy Calculator
- MI-04-039 APFT Calculator
- MI-04-065 Biden’s Vaccine Plan Calculator
- MI-04-073 Blood Pregnancy Test: What Do HCG Results Mean?
- MI-04-088 Body Shape Calculator
- MI-04-091 Breast Cancer Risk Calculator
- MI-04-120 Coronavirus Protection - Swiss Cheese Model
- MI-04-124 COVID-19 Mortality Risk Calculator
- MI-04-125 COVID-19 Vaccine Production Calculator
- MI-04-156 Egg Freezing Calculator
- MI-04-165 Event Risk Calculator - Coronavirus
- MI-04-166 Excessive Weight Gain in Pregnancy
- MI-04-168 Face Shape Calculator
- MI-04-201 GRACE Calculator
- MI-04-203 Gut Microbiome Score Calculator
- MI-04-210 Heart Failure Life Expectancy Calculator
- MI-04-234 Is BMI (Body Mass Index) a Weight Gain Indicator in Pregnancy?
- MI-04-263 Mask vs. No Mask Calculator
- MI-04-264 Max Vaccine Immunity Calculator
- MI-04-265 MCA Calculator
- MI-04-287 Navy PRT Calculator
- MI-04-290 Newborn Hyperbilirubinemia Assessment Calculator
- MI-04-295 Nuchal Translucency Calculator
- MI-04-305 Peak Flow Calculator — Estimated Peak Expiratory Flow
- MI-04-324 Positive Pregnancy Test at 3 Weeks Pregnant: Possible or Not?
- MI-04-325 Pregnancy Test Calculator
- MI-04-341 Quiz: Fetal Weight Percentile
- MI-04-342 Quiz: FFMI Calculator (Fat-Free Mass Index)
- MI-04-343 Quiz: Harris-Benedict Calculator (Basal Metabolic Rate)
- MI-04-344 Quiz: Protein Creatinine Ratio Calculator
- MI-04-350 Reopening Calculator – Coronavirus
- MI-04-369 Snap Score Calculator
- MI-04-371 Social Distancing Calculator - Coronavirus
- MI-04-381 Stillbirth Risk Calculator
- MI-04-405 Vaccine Queue Calculator for Australia
- MI-04-406 Vaccine Queue Calculator for Canada
- MI-04-407 Vaccine Queue Calculator for England
- MI-04-408 Vaccine Queue Calculator for India
- MI-04-409 Vaccine Queue Calculator for Ireland
- MI-04-410 Vaccine Queue Calculator for Malaysia
- MI-04-411 Vaccine Queue Calculator for Northern Ireland
- MI-04-412 Vaccine Queue Calculator for Scotland
- MI-04-413 Vaccine Queue Calculator for South Africa
- MI-04-414 Vaccine Queue Calculator for the Netherlands
- MI-04-415 Vaccine Queue Calculator for the Philippines
- MI-04-416 Vaccine Queue Calculator for the UK
- MI-04-417 Vaccine Queue Calculator for Wales
- MI-04-435 Weight Watchers Points Calculator