BMR Calculator
BMR Calculator is free to use. Enter your figures below and the result updates as you type. Use it for planning; it is an estimate, not advice.
About the BMR Calculator
Mifflin-St Jeor: BMR = 10 × weight (kg) + 6.25 × height (cm) − 5 × age + 5 for men, or − 161 for women.
BMR is the energy used at rest. Add activity to get your total daily needs, which the TDEE calculator does.
How to use the BMR Calculator
- Enter each figure in the boxes above, using the same currency and time units.
- The result updates as you type. Press Calculate to refresh it at any time.
- Change one figure at a time to see how much it moves the result.
Frequently asked questions
What is the BMR Calculator used for?
BMR is the energy used at rest. Add activity to get your total daily needs, which the TDEE calculator does.
How accurate is the BMR Calculator?
It applies standard formulas to the figures you enter. Real results depend on actual rates, fees, taxes and timing, so treat the output as an estimate and confirm with your bank or adviser.
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