Body mass index (BMI)
Work out your BMI from your weight and height and see your weight category according to the World Health Organization (WHO).
Open the BMI calculatorChoose the right calculator
They are useful when you want to make sense of a number on a lab report, or to prepare a question for your doctor. Each calculator comes with short explanations of what the result means.
Daily calories
Basal metabolic rate and daily energy needs, from sex, age, weight, height and activity level (the Mifflin-St Jeor equation).
Open the calorie calculatorMacronutrients
The grams of carbohydrate, protein and fat that a day works out at, across three distribution patterns.
Open the macronutrient calculatorIdeal weight
The weight range that matches your height, plus the single figure given by the Devine formula.
Open the ideal weight calculatorBody fat
The body fat percentage estimated with a tape measure, from height, neck, waist and hip circumference.
Open the body fat calculatorWaist-to-height ratio
The waist divided by the height, with the 0.5 boundary and the waist circumference steps.
Open the waist-to-height ratio calculatorBlood pressure
The category a measured reading falls into, plus the mean arterial pressure and the pulse pressure.
Open the blood pressure calculatorCardiovascular risk
The risk of cardiovascular disease over 10 and over 30 years, with the PREVENT equations of the American Heart Association, and with HbA1c if you want the extended equations.
Open the cardiovascular risk calculatorHbA1c and average glucose
Convert HbA1c to estimated average glucose and switch between percent ↔ mmol/mol (the two units used to report HbA1c).
Open the HbA1c calculatorUnit converter
mg/dL ↔ mmol/L for blood glucose, cholesterol (total, HDL and LDL), triglycerides, creatinine and uric acid.
Open the unit convertereGFR Calculator (CKD-EPI 2021)
Estimate glomerular filtration rate (eGFR) from serum creatinine, age and sex, and see your chronic kidney disease stage under the KDIGO classification.
Open the eGFR calculatoreGFR Calculator for Children
Estimate kidney function in children and teens (1–18 years) from height and creatinine, Schwartz formula.
Open the children's eGFR calculatorFIB-4 Calculator
Work out the FIB-4 index from age, two liver enzymes (AST and ALT) and platelets to check your risk of advanced liver fibrosis.
Open the FIB-4 calculatorThe FINDRISC Test
Validated 8-question quiz that gives a rough estimate of your risk of developing type 2 diabetes over the next 10 years.
Open the FINDRISC testPHQ-9 questionnaire (depression)
Nine questions about the last two weeks, with the severity range the depression score falls into.
Open the PHQ-9 questionnaireGAD-7 questionnaire (anxiety)
Seven questions about the last two weeks, with the severity range the anxiety score falls into.
Open the GAD-7 questionnaire