BMR Calculator
Calculate basal metabolic rate and daily energy expenditure with Harris-Benedict, Mifflin-St Jeor and Katch-McArdle formulas in metric or imperial units. Fully processed in your browser.
Runs in your browser
Real-time
Body & activity
Sex
Formula
Energy
BMR
0
kcal
Burned at rest
TDEE
0
kcal
With daily activity
| Macro | Grams | kcal |
|---|
About this tool
Calculate basal metabolic rate and daily energy expenditure with Harris-Benedict, Mifflin-St Jeor and Katch-McArdle formulas in metric or imperial units. Fully processed in your browser.
How to use
- Fill in the input box above, or click "Fill sample" to try it instantly
- Adjust the options as needed — results update as you type
- Click "Run" to get the result, then copy or export it in one click
Tips
- Runs entirely in your browser — your data never leaves the device
- Completely free, no registration, no usage limits
- Most tools compute in real time as you type