Calculate
BMR & Calorie Calculator
Enter your sex, age, height, and weight to estimate your basal metabolic rate, then pick an activity level to see daily calorie needs. Calculated locally.
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FAQ
Common questions
The Mifflin-St Jeor equation, widely regarded as the most accurate general BMR estimate.
Total Daily Energy Expenditure — BMR multiplied by an activity factor from 1.2 (sedentary) to 1.9 (very active).
No. These are general estimates; consult a professional for personalised guidance.
No. All calculation happens in your browser.
Private by design
This runs entirely in your browser
No file or text you enter here is uploaded. Encoding and decoding happen on your device using native browser APIs — close the tab and nothing remains on a server.