Health Calculators

Hematology calculators 🆎

Urology & nephrology calculators 🚽

Epidemiology calculators 👥

• Infectious Disease and Epidemic Calculator (SIR Model) Curious how a disease spreads through a population — and what happens if transmission slows? Enter the population and disease parameters and this tool simulates the full epidemic curve using the standard SIR model.

Geriatric medicine calculators 👵

Intensive & emergency care calculators 🚑

Radiology calculators ☢️

Cardiovascular system calculators ❤️

• TIMI Score Calculator for UA/NSTEMI Assessing a UA/NSTEMI patient and need a quick TIMI risk stratification? Enter the seven components. Get the score, risk category, and estimated event rate — instantly at the bedside.

Gynecology & pregnancy calculators 🤰

• Breastfeeding Calorie Calculator Breastfeeding burns more calories than most new mums expect. This tool calculates your daily calorie needs — including the extra your body needs to produce milk — so you can eat enough without guessing.
• Conception Calculator Know your due date but wonder when conception actually happened? Enter your due date and this tool works backwards to estimate the conception date and the likely fertile window it fell within.
• Gestational Age Calculator Want to know exactly how many weeks pregnant you are right now — and your due date? Enter your last period date or ultrasound details and get your current gestational age and full trimester timeline instantly.
• IVF Due Date Calculator IVF pregnancies have a precisely known fertilisation date — making due date calculation more accurate than LMP-based methods. Enter your transfer date and embryo age to get your due date and full pregnancy timeline.
• Pregnancy Test Calculator Not sure when to take a pregnancy test? Enter your last period date, cycle length, and test sensitivity. Get the earliest date you could test and when the result will actually be reliable.
• Pregnancy Weight Gain Calculator Gaining too much or too little during pregnancy? Enter your pre-pregnancy BMI, current weight, and weeks along. See your total gain, the recommended range, and whether you are on track.
• VTE Risk Score Calculator in Pregnancy Assessing VTE risk in a pregnant patient? Enter the clinical risk factors. Get the RCOG-based risk score, risk category, and prophylaxis recommendation — instantly at the point of care.

Body measurements calculators 📏

Dosage calculators 💊

Sleep calculators 😴

Electrolytes & fluids calculators 🧪

• Sodium Change Calculator in Hypertriglyceridemia High triglycerides can artificially lower a measured sodium level. This tool corrects the sodium for hypertriglyceridaemia-induced pseudohyponatraemia — giving the corrected value and clinical context instantly.
• Sodium Correction Rate Calculator for Hypo- and Hypernatremia Correcting sodium too fast causes osmotic demyelination. Too slow risks ongoing harm. Enter the current sodium, target, and patient weight. Get the correction rate and volume to infuse — with safe limits clearly indicated.

Dietary calculators 🥗

• Katch-McArdle Calculator Most BMR calculators use total weight — but if you have a lot of muscle or carry significant body fat, that skews the result. The Katch-McArdle method uses lean body mass instead, giving a more accurate calorie baseline for active people.
• BMR Calculator (Basal Metabolic Rate, Mifflin St Jeor Equation) How many calories does your body burn just to stay alive? That number — your BMR — is the foundation of any diet or fitness plan. Enter your details and find out in seconds.
• Calorie Deficit Calculator Want to lose weight at a steady, sensible pace? Enter your current daily calories and your target deficit — and this tool tells you your new calorie target, how fast you will lose weight, and whether the plan is safe.
• Calorie Intake Calculator (Simple) Not sure how many calories to eat each day? Enter your details and goal — this tool gives you a specific daily target, your BMR, your TDEE, and a rough macros breakdown. Done in 30 seconds.
• TDEE Calculator - Total Daily Energy Expenditure Your TDEE is the single most important number in any diet or fitness plan — it tells you exactly how many calories your body burns each day. Enter your stats and get your number in under a minute.

Diabetes calculators 💉

• Glycemic Index Calculator Want to know how a specific food affects blood sugar? Enter the food name and portion size — get the glycemic index, glycemic load, and blood sugar impact category in seconds.
• Glycemic Load Calculator Already know the GI of a food? Enter it along with the carbohydrate grams in your serving — and this tool calculates the glycemic load and tells you the real blood sugar impact of that portion.

Covid-19 vaccine calculators 😷

Addiction medicine calculators 🚬

Percentile calculators 👶

Pediatric dosage calculators 👶💊

Metabolic disorders calculators 🍟

Army calculators 🎖️

Pulmonary calculators 💨

Digestive system calculators 🍽️

BMI calculators ⚖️

• BMI Calculator – Body Mass Index Enter your weight and height — and in seconds you know your BMI, your category, your healthy weight range, and exactly how far you are from it. Simple, quick, no fuss.
• BMI Calculator for Men Just enter your weight and height — this tool tells you your BMI, what category you fall in, and your ideal weight range for a man your size. No complicated steps, no confusion.
• BMI Weight Loss Calculator Want to know the exact weight you need to hit a specific BMI? Enter your current weight, height, and target BMI — and this tool calculates your goal weight and how far you have to go. No guesswork.
• Geriatric BMI Calculator Standard BMI charts were not designed for people over 60. This tool uses age-adjusted references so older adults get a more accurate and relevant health picture from their BMI. Enter your details and check your result in seconds.

Psychiatry & psychology calculators 🧠

Pediatric calculators 🧒

• Newborn Hyperbilirubinemia Assessment Calculator Concerned about a newborn's jaundice level? Enter the bilirubin result, the baby's age in hours, and gestational age. This tool provides an hour-specific risk zone and next-step guidance instantly.