BMR Calculator

Calculate your Basal Metabolic Rate to understand your daily calorie needs.

Your Basal Metabolic Rate (BMR) is

Daily Calorie Needs

Based on your activity level, your daily calorie needs are:

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Frequently Asked Questions

What is BMR (Basal Metabolic Rate)?

Basal Metabolic Rate (BMR) is the number of calories your body needs to accomplish its most basic (basal) life-sustaining functions, such as breathing, circulation, nutrient processing, and cell production, while at rest.

How is BMR calculated?

This calculator uses the Mifflin-St Jeor Equation, which is considered one of the most accurate methods for calculating BMR. It uses your age, gender, height, and weight to estimate your metabolism.