BMR Calculator – Basal Metabolic Rate & Daily Calories

 

What is BMR?

BMR (Basal Metabolic Rate) is the number of calories your body requires at rest to maintain vital functions such as breathing, circulation, and cell production. Understanding your BMR helps in planning effective weight management and fitness strategies.

How to Use This Calculator

Select your unit system, enter your age, gender, height, and weight, then choose the formula you'd like to use (Mifflin-St Jeor or Harris-Benedict). Click the calculate button to view your daily BMR.

Unit System: Metric (kg, cm) Imperial (lbs, in)

Gender: Male Female

Age (years):

Height (cm): Weight (kg):

Height (in): Weight (lbs):

Formula: Mifflin-St Jeor Harris-Benedict

Example

A 28-year-old male weighing 70 kg and 175 cm tall using the Mifflin-St Jeor formula has a BMR of approximately 1681 kcal/day.