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Daily calorie expenditure

Basal metabolic rate and calories to maintain, lose or gain weight.

How to use

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Your calorie expenditure.

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Daily calorie expenditure: what it is for

The calculator estimates your basal metabolic rate and total daily energy expenditure, based on sex, age, weight, height and activity level.

With that you know how many calories to eat to maintain, lose weight or build muscle.

How to use

  1. Enter sex, age, weight and height.
  2. Choose your physical activity level.
  3. See the calories for each goal.

When to use it

  • Planning a diet.
  • Losing weight safely.
  • Building muscle.

Frequently asked questions

Which formula is used?

Mifflin-St Jeor, considered one of the most accurate for adults. It is an estimate: a dietitian can adjust it for your case.

Is it really free?

Yes, 100% free. No sign-up, no subscription and no usage limits. All Tools123 tools are free and run right in your browser.

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