BMR Calculator

What is BMR?

The basal metabolic rate (BMR) is defined as the minimum amount of calories that your body needs to perform necessary functions. Your BMR makes up 70% of the calories you burn every 24 hours. Other ways that your body uses calories include exercising and moving your body in general.
Your weight, height, age, gender, and other details all play a role in your BMR. The most significant contributor is your weight that doesn’t come from fat, especially your muscles.

BMR vs RMR

Basal metabolic rate (BMR) is often used interchangeably with resting metabolic rate (RMR). While BMR is a minimum number of calories required for basic functions at rest, RMR — also called resting energy expenditure (REE) — is the number of calories that your body burns while it’s at rest.
Although BMR and RMR slightly differ from each other, your RMR should be an accurate estimate of your BMR.

How to estimate BMR?

Mostly used way to estimate your BMR is through revised the Harris-Benedict formula by Mifflin and St Jeor in 1990, which takes into account weight, height, age, and gender.