TDEE Calculator

Calculate total daily energy expenditure from BMR and activity level.

803.5K uses Updated · 2026-05-25 Runs locally · zero upload
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How to Use TDEE Calculator

  1. Enter sex, age, height, and weight so the calculator can estimate BMR.
  2. Choose the activity factor that best matches your usual weekly movement and training.
  3. Calculate TDEE, the estimated calories burned across a full day.
  4. Use TDEE as the anchor for fat loss, maintenance, or muscle-gain calorie planning.

Formula & Theory - TDEE Calculator

TDEE = BMR x activity factor
  • The activity factor scales resting metabolism to include exercise and non-exercise movement.

Use Cases for TDEE Calculator

  • Choosing a calorie deficit for fat loss without guessing from zero.
  • Setting a maintenance intake after weight change.
  • Planning a controlled calorie surplus for muscle gain.

Frequently asked questions about TDEE Calculator

What inputs does TDEE Calculator need?

Enter sex, age, height, and weight so the calculator can estimate BMR.

How should I interpret the result?

Actual TDEE can differ from the estimate because steps, job demands, training efficiency, and adaptation vary.

Is my data stored?

No. All calculations happen in your browser; nothing is sent to a server.