Free CalculatorWiser tool

Calorie Deficit Calculator

Estimate daily calorie deficit from maintenance calories and target intake.

How to use the Calorie Deficit Calculator

Estimate daily calorie deficit from maintenance calories and target intake.

Step-by-step instructions

  1. Enter or select Maintenance calories.
  2. Enter or select Target intake.
  3. Tap Calculate.
  4. Review the result shown directly below the calculator.

What the inputs mean

Maintenance calories
Enter the value requested by this field label.
Target intake
Enter the full amount, target, goal, or capacity used as the comparison value.

Formula or calculation method

Target intake is subtracted from Maintenance calories.

Example

For example, if the first value is 100 and the second is 35, the difference is 65.

How to understand the result

Use the result as an estimate based on the values you entered. For planning decisions, double-check that the input units and assumptions match your real situation.

Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.