◑ HEALTH Updated July 25, 2026

BMR Calculator

Basal metabolic rate and daily calorie needs.

Sex
Age (years)
Weight (kg)
Height (cm)
Activity level
Result
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How it works

BMR uses the Mifflin-St Jeor equation, the most accurate general-purpose formula in clinical use, then multiplies it by an activity factor for total daily energy expenditure.

Related tools

◈Calorie Calculator▣Body Fat Calculator▤Ideal Weight Calculator

Frequently asked questions

What is BMR?

The energy your body uses at complete rest to keep organs running — typically 60 to 70 percent of daily calorie burn.

Is this medical advice?

No. It is an estimate for planning only; speak to a clinician or dietitian before changing your diet significantly.

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