🔥 BMR Calculator

Calculate your Basal Metabolic Rate — the calories your body burns at complete rest.

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BMR Calculator

Health

Inputs

kg
cm
years

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How to Use This Calculator

  1. 1

    Enter your weight in kg.

  2. 2

    Enter your height in cm.

  3. 3

    Enter your age.

  4. 4

    Select your gender.

  5. 5

    Click Calculate.

How It Works

BMR is calculated using the Mifflin-St Jeor equation, the most accurate for most people. It estimates calories burned at rest. Multiply by an activity factor to find your TDEE.

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Frequently Asked Questions

For most adults: men 1600–2200 cal/day, women 1400–1800 cal/day. BMR decreases with age.

Why Use This Tool

  • Instant, accurate results
  • No registration required
  • 100% free forever
  • Works on all devices
  • Privacy — no data stored