Free Tool
BMR Calculator
Your Basal Metabolic Rate is the energy your body needs at rest to keep you going. It is a useful starting point for weight-loss and nutrition goals — find yours below.
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Enter your height, weight, age, and sex to see your BMR.
BMR is an estimate based on the Mifflin-St Jeor equation and is not a substitute for medical advice. Talk to a licensed healthcare provider before making changes to your diet or health plan.
The Basics
Metabolism, Explained
Your Basal Metabolic Rate (BMR) is the number of calories your body burns at complete rest just to keep you alive — breathing, circulating blood, and keeping your organs running. It is the baseline of your daily calorie needs.
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