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TDEE Calculator

Estimate your TDEE (Total Daily Energy Expenditure) — the number of calories you burn per day — using the Mifflin-St Jeor equation with simple height, weight, age, and activity inputs.

In years.
Feet
Inches
Results
Enter your details on the left and tap Calculate TDEE to see your estimated daily calorie needs.
This tool uses the Mifflin-St Jeor equation, a commonly used estimate for basal metabolic rate (BMR), then multiplies by your activity level to estimate TDEE.
What the numbers mean
  • BMR – estimated calories your body uses at rest, all day.
  • TDEE – BMR multiplied by your activity level.

As a rough guide:

  • Weight loss: TDEE − 250 to 500 calories per day.
  • Maintenance: around your TDEE.
  • Weight gain: TDEE + 250 to 500 calories per day.

This calculator is for general informational purposes only and is not medical advice. Talk to a healthcare professional before making significant changes to diet or activity.

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