Tool

BMR Calculator

Calculate resting calories burned per day from age, sex, height, and weight. Educational—not medical advice.

  • Free online
  • No signup
  • Instant
  • Browser-based

Free BMR Calculator — educational estimate only, not medical advice.

Estimate basal metabolic rate (Mifflin–St Jeor). For daily calories with activity, use the Calorie Calculator. Not medical advice.

Use cases

  • Estimate resting calories before meal planning.
  • Compare male vs female BMR inputs for the same height/weight.
  • Pair with the Calorie Calculator for TDEE.

How it works

Enter your numbers and review the result instantly. Formulas are transparent and run locally—not financial advice.

FAQ

Which formula is used?

Mifflin–St Jeor (1990), a common clinical and fitness estimate.

Explore more

Includes recommendations from the tool graph plus your curated related list.