Calorie Calculator

Free online Calorie Calculator. No sign-up needed, and it runs in your browser.

Processed on your device

Estimate how many calories you burn a day and how many to eat to lose, keep or gain weight.

Uses the Mifflin-St Jeor formula, the one most dietitians use. It is an estimate — real needs differ from person to person. Ask a doctor before a big diet change, and during pregnancy.

How to use

  1. Add your text or file.
  2. Adjust the options if needed.
  3. Copy or download the result.