Calorie Calculator

Estimate your daily calorie needs using the Harris-Benedict equation.

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Maintenance Calories (TDEE)
To maintain current weight
Weight Loss (Moderate)
-500 kcal/day
Weight Gain (Moderate)
+500 kcal/day

About this Tool

Uses the Harris-Benedict BMR equation combined with an activity multiplier to estimate your Total Daily Energy Expenditure (TDEE). All processing is entirely local.

Frequently Asked Questions

What is TDEE?

Total Daily Energy Expenditure is the total number of calories your body burns in a day including activity.