BMR Calculator
Estimate your Basal Metabolic Rate using the Mifflin-St Jeor formula.
1568 kcal/dayEstimated BMR
This is an estimate using the Mifflin-St Jeor formula, not medical advice.
How to use BMR Calculator
- 1Enter your age, height, weight and biological sex.
- 2Your estimated BMR updates live.
Why use this tool
- Uses the Mifflin-St Jeor equation, considered one of the more accurate BMR formulas.
- A useful starting point for estimating daily calorie needs.
Frequently asked questions
What is BMR used for?
BMR estimates the calories your body needs at complete rest. It's often multiplied by an activity factor to estimate total daily energy needs.