Calculators

Daily calorie needs

How many calories your body burns in a day, using the Mifflin-St Jeor equation — the same one the app uses.

Basal metabolic rate1 699kcal

What your body burns at complete rest, over 24 h.

Total daily energy2 633kcal

Your basal rate multiplied by your activity level.

To lose fat2 170kcal

Roughly 17.5 % below your expenditure, and never below your basal rate.

To build muscle2 900kcal

Roughly 10 % above your expenditure — enough to build, not to store.

The maths runs in your browser: these values are not sent anywhere.

General, informational benchmarks based on equations validated on the general population (Mifflin-St Jeor for metabolism, WHO thresholds for BMI). Real expenditure varies by roughly 10 % between two people with the same profile. These numbers do not replace a doctor or dietitian.

The guide