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BMR Calculator

Calculate your Basal Metabolic Rate — the number of calories your body burns at rest — using the Mifflin-St Jeor equation.

Enter your values

years
cm
kg
Your BMR
1,618 kcal/day
Calories burned at complete rest
Sedentary (little exercise)
1,941 kcal
Lightly active
2,224 kcal
Moderately active
2,507 kcal
Very active
2,790 kcal
What this means

Your BMR is the energy your body uses for basic functions like breathing, circulation, and cell production. Multiply by your activity level to get total daily energy expenditure (TDEE).

Disclaimer: Results are estimates based on the inputs you provide. They are not professional advice. For consequential decisions — financial, tax, medical, or legal — verify with a qualified professional.

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