Health Calculators

Calorie Deficit Calculator

Calculate calorie deficit with Calculator 360 using the available inputs.

Enter your own estimate; this page does not measure expenditure.
A scenario for subtraction, not a suggested target.

Try an example

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How to use this calculator

Compare an entered TDEE with entered calorie intake, and calculate a separate scenario from an entered deficit. These are mathematical differences; no weight-change forecast or dietary recommendation is calculated.

The result is a calculation or estimate from the values you enter. It does not assess a medical condition or provide a personal treatment plan.

The arithmetic uses only the entered values. NIDDK documents why static energy differences do not predict an individual weight trajectory. References: NIDDK: research behind dynamic body-weight planning ·

Frequently asked questions

What does this calculator show?

Compare an entered TDEE with entered calorie intake, and calculate a separate scenario from an entered deficit. These are mathematical differences; no weight-change forecast or dietary recommendation is calculated.

How should I use the result?

Use it as general information about the entered values and the stated formula or reference.