Wellness & Accessibility · Free Tool
Calorie & TDEE Calculator
Estimate your daily calorie burn (BMR and TDEE) with the Mifflin–St Jeor equation, and see calorie targets for losing, maintaining or gaining. All in your browser.
BMR
— kcal/day
TDEE (maintain)
— kcal/day
Lose (−0.5 kg/wk)
— kcal
Gain (+0.5 kg/wk)
— kcal
Estimates only — not medical advice. Individual needs vary; consult a professional for a personalised plan.
How it works
Your BMR (basal metabolic rate — calories at complete rest) uses the modern Mifflin–St Jeor equation: 10×kg + 6.25×cm − 5×age, then +5 for men or −161 for women. Multiplying by an activity factor (1.2–1.9) gives TDEE, your total daily burn. A ~500 kcal daily deficit or surplus corresponds to roughly half a kilo per week. All computed on your device.