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TDEE Calculator

In short

Calculate your total daily energy expenditure and calorie targets for losing, maintaining or gaining weight. Runs in your browser.

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Find your total daily energy expenditure, the calories you burn in a day, and see targets for losing, maintaining or gaining weight. Uses the Mifflin-St Jeor equation. Runs in your browser.

0BMR (kcal)
0maintenance
0mild loss
Total daily energy expenditure0 kcal

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GoalCalories/dayWeekly change

TDEE is your BMR multiplied by an activity factor. Weekly change assumes about 7700 calories per kilogram of body weight. Real results vary, so track your weight and adjust over a few weeks.

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100% PrivateNo server uploads, ever
InstantRuns in your browser
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No WatermarksClean output, always
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How to Use TDEE Calculator

TDEE Calculator preview
TDEE Calculator. Free online tool that runs in your browser.
  1. Enter your details. Add your age, sex, weight and height, in metric or imperial units.
  2. Pick your activity level. Choose how active you are so the estimate reflects the calories you burn.
  3. Read your TDEE. See your maintenance calories along with your basal metabolic rate.
  4. Choose a goal. Use the table of targets to lose, maintain or gain weight at a steady pace.

Frequently Asked Questions

What is TDEE?

Total daily energy expenditure is the number of calories you burn in a day, including your basal metabolism, movement and digestion.

How is it calculated?

The tool finds your basal rate with the Mifflin-St Jeor equation, then multiplies by an activity factor to get your total daily energy.

How do I lose or gain weight?

Eat below your TDEE to lose and above it to gain. The table shows targets, and the weekly change assumes about 7700 calories per kilogram.

How is this different from a BMR calculator?

BMR is only the calories you burn at rest. TDEE adds the calories from activity, so it reflects real daily needs.

Are the targets safe?

They are general guidance. Very low intakes are best supervised, and anyone with a medical condition should consult a professional.

Is my data private?

Yes. Everything is calculated in your browser and nothing is stored.

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