BMI Suite: 4 Steps

Calculate your Body Mass Index (BMI) from height and weight, with WHO category classification.

Estimate your Basal Metabolic Rate (BMR) — the calories your body burns at complete rest — using the Mifflin-St Jeor equation.

Estimate your Total Daily Energy Expenditure (TDEE) — all calories burned in a day including exercise and activity.

Estimate heart rate training zones from age.