Calorie / TDEE Calculator
Calorie / TDEE Calculator estimates your Basal Metabolic Rate and Total Daily Energy Expenditure using the Mifflin-St Jeor formula and your activity level.
Last updated: July 2026
Estimate your daily calorie needs (BMR and TDEE) from age, sex, height, weight and activity level. Free, instant.
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How to use Calorie / TDEE Calculator
- Enter age, sex, height and weight.
- Pick your activity level.
- Read your BMR and daily calorie needs.
Frequently asked questions
What formula does it use?
The Mifflin-St Jeor equation for BMR, multiplied by an activity factor for TDEE.
Is this medical advice?
No — it's an estimate for general guidance, not a substitute for professional advice.
Is my data stored?
No, the calculation runs entirely in your browser.
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