BMR Calculator

Calculate basal metabolic rate, daily maintenance calories, and suggested calorie targets for weight loss, maintenance, and weight gain.

Calculate BMR

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What is BMR?

BMR is the estimated number of calories your body uses at complete rest. The calculator also estimates TDEE by multiplying BMR by your activity level.

  • Supports metric and imperial inputs.
  • Uses the Mifflin-St Jeor equation.
  • Shows calorie targets for common weight goals.