Health calculators

Screening tools, body metrics, and calorie math you can trust.

BMI, body fat, BMR, and other health screening tools — clearly labelled as informational rather than diagnostic, with citations for each formula.

Calculators
14
Topics: All Body Metrics (56) Calories (14)
14 results
Health / Calories

BMR Calculator

Estimate basal metabolic rate using the Mifflin-St Jeor equation.

basic
23,812 5.0 1 min
Health / Calories

Macronutrient Calculator

Convert a daily calorie target into grams of protein, carbohydrates, and fat using a chosen macro split.

basic
14,949 3.9 1 min
Health / Calories

TDEE Calculator

Estimate your total daily energy expenditure (TDEE) — the number of calories you burn each day — from BMR and an activit...

basic
12,795 3.9 1 min
Health / Calories

Macros Calculator

Convert a daily calorie target into grams of protein, carbohydrates, and fat using a chosen macronutrient split.

Featured basic
4,604 4.2 1 min
Health / Calories

Weight Loss Calculator

Plan a realistic calorie deficit to reach a goal weight by a target date, given your current weight and daily calorie bu...

basic
7,493 4.7 1 min
Health / Calories

Steps to Distance Calculator

Translate a step count into kilometres and miles using your stride length, with sensible defaults derived from height.

basic
16,699 4.5 1 min