Calorie calculator
Calculate your daily calories for your goal: maintain, lose or gain weight.
Enter your data and get your basal metabolic rate plus the recommended daily calories to maintain, lose or gain weight healthily.
By VOV · Last updated: October 21, 2026
Guidance estimate for information only. Consult a health professional before changing your diet.
How it works
How it works: we use the Mifflin-St Jeor equation, the most accepted estimate of basal metabolic rate, multiplied by your activity level. It is a guidance estimate, not a medical diagnosis.
Frequently asked questions
What is basal metabolic rate?
The calories your body burns at complete rest to keep vital functions running. Your daily activity is added on top.
How is the lose-weight goal calculated?
About 500 kcal are subtracted from the estimated daily burn, which equals roughly 0.5 kg per week of healthy loss.
Is it exact?
It is an estimate: real metabolism varies with genetics, body composition and other factors. Use it as a starting point, not a prescription.
Is my data stored?
No. Everything is computed in your browser and nothing is sent to any server.