🏃 Health & Fitness
Calorie Calculator
Daily calorie needs start from your basal metabolic rate — the energy your body burns at complete rest — and multiply it by an activity factor. The Mifflin-St Jeor equation used here is the most accurate of the simple predictive formulas for most adults.
How it works
Sex
Age
Height
Weight
Activity level
Basal metabolic rate
Maintenance calories
Calories to lose 0.5 kg a week
Calories to gain 0.5 kg a week
Frequently asked questions
How do I use the Calorie Calculator?
Fill in the fields above — the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.