Math
BMR Calculator
Privacy Verified
Calculate your Basal Metabolic Rate (BMR) — the calories your body burns at rest — using both the Mifflin-St Jeor and Harris-Benedict equations. Free, private, instant.
Privacy & Security
All processing happens locally in your browser — nothing is uploaded.
Data: None
Client-side-Side
Active
v1.0
How to Use
Enter your age, sex, height and weight to see your BMR from two formulas.
Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.
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