BMR Calculator — Free Online Calculator
Basal metabolism. Free bmr calculator with instant results.
Last updated: 2026-06-01
BMR Calculator (Basal Metabolic Rate)
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Uses the Mifflin-St Jeor equation, the most accurate BMR formula recommended by the American Dietetic Association.
Track Your Calories
Use your BMR as a starting point for meal planning and fitness goals.
Results are estimates for planning purposes only. Verify important financial or health decisions with a qualified professional.
Related guides
- BMR vs TDEE: What's the Difference?
Compare basal metabolic rate and total daily energy expenditure — and which to use for diet planning.
- TDEE Explained: Total Daily Energy Expenditure
Learn what TDEE means, how it differs from BMR, and how to use it for weight loss or muscle gain.