BMR Calculator

Calculate your Basal Metabolic Rate (BMR) to understand how many calories your body needs at rest.

What Is BMR?

BMR (Basal Metabolic Rate) is the number of calories your body needs at complete rest.

BMR Formula

  • Men: 10×weight + 6.25×height − 5×age + 5
  • Women: 10×weight + 6.25×height − 5×age − 161

Example

  • Age: 25 years
  • Gender: Male
  • Height: 170 cm
  • Weight: 70 kg

BMR ≈ 1666 calories/day

Input Rules & Limits

  • Age: 10 – 100 years
  • Height: 50 – 250 cm
  • Weight: 20 – 300 kg

Frequently Asked Questions

BMR is the number of calories your body burns at rest.
Yes, men generally have a higher BMR.
Yes, BMR drops gradually as you age.