Percentage calculator
Calculate percentages online, including percent of a number, percentage increase, and percentage decrease.
TDEE calculator
Calculate your TDEE and BMR to find maintenance calories, plus targets to lose or gain weight. Mifflin-St Jeor or Katch-McArdle.
How to use TDEE calculator
Your Total Daily Energy Expenditure (TDEE) is the calories you burn in a day. Eat that much to maintain your weight, less to lose weight, or more to gain.
- BMR from the Mifflin-St Jeor equation, or Katch-McArdle if you know your body fat percentage
- TDEE = BMR × activity multiplier, from 1.2 (sedentary) to 1.9 (extra active)
- Calorie targets to lose or gain about 0.5 kg (1 lb) a week, plus a protein guide
TDEE calculator FAQs
Is TDEE calculator free?
TDEE calculator is a free online tool on ReallyUseful.Tools. No account is required.
Does TDEE calculator run in my browser?
TDEE calculator is designed to run in your browser where supported, so files can stay on your device instead of being uploaded to a server.
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