Free BMR Calculator
Basal metabolic rate (Mifflin-St Jeor).
1649 kcal
BMR (at rest)
2267 kcal
TDEE (maintenance)
2017 kcal
Mild loss (-250)
2517 kcal
Mild gain (+250)
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How to use the BMR Calculator
- 1Enter sex, age, height, weight.
- 2Pick an activity level.
- 3See BMR & TDEE.
Features
- Mifflin-St Jeor
- Activity multipliers
- TDEE output
Frequently Asked Questions
What is TDEE?
Total Daily Energy Expenditure — your BMR multiplied by an activity factor.
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About the BMR Calculator
Estimate daily calorie needs at rest using the Mifflin-St Jeor equation. The BMR Calculator runs entirely in your browser — your data is processed locally and never uploaded to a server. Explore more Calculators tools or browse all free online tools.