BMR Calculator — Basal Metabolic Rate
Estimate basal metabolic rate and daily calorie needs
How to Use BMR Calculator
Estimate basal metabolic rate and daily calorie needs No signup, and nothing gets uploaded for most use.
- 1
Enter your numbers in the input fields.
- 2
Choose the calculation options or frequency.
- 3
The result updates instantly as you type.
- 4
Review the breakdown, chart, or schedule, and copy the answer.
Why you might like it
- Nothing to upload — the work happens on your device.
- Free with no signup, no watermarks, and no daily limits.
- Works in any modern browser on any device — nothing to install.
- Usually done in a few seconds, so it doesn't get in your way.
Frequently Asked Questions
What is BMR?▾
BMR is the number of calories your body burns at complete rest to keep vital functions like breathing and heartbeat working.
What is the difference between BMR and TDEE?▾
TDEE (Total Daily Energy Expenditure) is BMR plus the calories burned through daily activity and exercise, and estimates how many calories you need to maintain your weight.
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