Calorie Deficit Calculator

A Calorie Deficit Calculator determines daily caloric intake needed for weight loss by subtracting a target deficit from your maintenance calories, based on age, weight, height, and activity level.

Calorie Deficit Calculator

Result

15.4

days to lose 1kg

What is the Calorie Deficit Calculator?

A Calorie Deficit Calculator determines daily caloric intake needed for weight loss by subtracting a target deficit from your maintenance calories, based on age, weight, height, and activity level.

Why use our tool?

  • Instant Results: Powered by modern web technologies, results appear exactly as you type.
  • 100% Free: No hidden fees, no subscriptions, and no registration required to use the Calorie Deficit Calculator.
  • Mobile Friendly: Works perfectly and beautifully on your smartphone, tablet, or desktop.
  • Privacy First: All calculations are performed directly in your browser. No personal data is sent to our servers.