Formula
Estimate BMR with the Mifflin–St Jeor equation; multiply by the activity factor for TDEE.
Health & Body · Tool 605 of 200,000
Basal Metabolic Rate Calculator
Enter your values for a transparent, reproducible basal metabolic rate calculator, with the formula and scope shown.
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Live result
Basal metabolic rate (BMR)
1,649 kcal
Estimated energy required to sustain basic body functions at rest.
- Moderate calorie-deficit reference
- 2,206 kcal
- Maintenance reference
- 2,556 kcal
- Formula
- Mifflin–St Jeor
Reproducible, not guessed
How was this calculated?
Scope
Use values that match your situation and location. Verify rule-based, contractual, financial or health decisions against an authoritative local source.
Model context
localeen-UScountryUScurrencyUSDtimezoneAmerica/New_Yorkunit_systemimperialrules_versionus-2026.08source_languageen-US
Results are for first-pass estimates and scenario comparison. Important tax, employment, health and investment decisions should be verified against local official guidance or a qualified professional.