Calorie Deficit Calculator

Estimate your daily calorie target for weight loss, maintenance, or gain. Based on BMR and TDEE with transparent methodology.

Calculate Your Calories
Healthy food variety
Exercise and fitness
Measuring tape and scale

Why Use Our Calculator?

Science-Based

Uses Mifflin-St Jeor equation for BMR and standard activity multipliers for TDEE.

Transparent

See exactly how your numbers are calculated. No hidden formulas.

Personalized

Adjustable goals, activity levels, and unit systems (metric/imperial).

What is a Calorie Deficit?

A calorie deficit occurs when you consume fewer calories than your body burns. This forces your body to use stored energy (fat) for fuel, leading to weight loss. Our calculator helps you determine the right daily calorie target to achieve your goals safely.

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Sample User Feedback

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