Basal Metabolic Rate
BMR Calculator
Estimate how many calories your body may burn at rest using the Mifflin-St Jeor equation.
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Result
kg
cm
years
These numbers are estimates for education and planning. For medical conditions, pregnancy, eating disorders, or prescribed diets, consult a qualified professional.
Results
Enter your detailsFormula
Male BMR = 10W + 6.25H - 5A + 5. Female BMR = 10W + 6.25H - 5A - 161.
Best use
Use BMR as the base number before estimating activity calories with a TDEE calculator.
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Frequently Asked Questions
Is BMR my daily calorie need?
No. BMR estimates resting calories. Your total daily calories also include movement, exercise, and digestion.
Which BMR formula is used?
This calculator uses the Mifflin-St Jeor equation, a common modern estimate for adults.