TDEE Calculator
Total daily energy expenditure
Use this when you need a fast, accurate result — no sign-up, works entirely in your browser.
Daily calories (TDEE)—
How to Use
- Enter your details into the fields above.
- Click the calculate button to get your result instantly.
- Use the clear button to start a new calculation.
Example
- Female, 35, 65 kg, 165 cm, light activity → 1849.72 kcal/day
- Female, 30, 65 kg, 165 cm, moderate activity → TDEE ≈ 2,124 kcal/day
Formula
TDEE = BMR × activity factor, with BMR from Mifflin-St Jeor (women: 10 × kg + 6.25 × cm − 5 × age − 161). Eat roughly this much to hold your weight; a 500 kcal daily deficit works out to about 0.45 kg (1 lb) per week.
About TDEE Calculator
Total daily energy expenditure. This free online tool gives you fast, accurate results without registration or downloads.
Everything runs locally in your browser, so your data is never uploaded or stored — privacy first.
Frequently Asked Questions
Is the TDEE Calculator free to use? +
Yes, it is completely free with no registration or download required.
Is my health data private? +
Yes. All calculations happen locally in your browser. Your health information is never uploaded or stored.
Is this a substitute for medical advice? +
No. This tool provides estimates for informational purposes only and is not a substitute for professional medical advice.