About this tool
BMR is the energy your body uses at rest. This tool uses the Mifflin-St Jeor equation and multiplies by an activity factor. It is an estimate, not medical advice.
How to use BMR & Calorie Calculator
- Enter age, height and weight.
- Pick your sex and activity level.
- Read your BMR and estimated daily calories.
Frequently asked questions
How accurate is it?
It is an estimate. Individual needs vary.
Should I eat this much?
It shows maintenance calories only. Ask a professional for diet advice.