What is BMR?

BMR (Basal Metabolic Rate) is the number of calories your body needs at rest to maintain vital functions like breathing and digestion. It forms the base for calculating your total calorie needs.

Why Use This Calculator?

This tool uses the Mifflin-St Jeor formula, considered one of the most accurate methods for estimating BMR. It also allows you to adjust for your activity level and switch between pounds and kilograms for weight input.

How is it Calculated?

Males: BMR = 10 × weight (kg) + 6.25 × height (cm) – 5 × age + 5
Females: BMR = 10 × weight (kg) + 6.25 × height (cm) – 5 × age – 161