Calorie Surplus Calculator

Formula

intake − maintenance

Worked example

2,500 maintenance, 2,800 intake — 300 kcal/day

Quick answer

What does the Calorie Surplus Calculator do?

Calculate daily calorie surplus above estimated maintenance.

What is the Calorie Surplus Calculator?

Calculate daily calorie surplus above estimated maintenance. Use it when you have the required inputs and want a deterministic, repeatable result with the calculation method visible.

How to use this calculator

Enter the values requested by the tool, keep units and time periods consistent, resolve any validation message, calculate, then review the primary answer together with the displayed formula and supporting values.

Formula and method

This calculator uses the deterministic formula intake − maintenance. Enter the required values, then review the displayed substitution and result breakdown to verify the calculation.

Worked example

2,500 maintenance, 2,800 intake 300 kcal/day

Common mistakes to avoid

Check units, decimal points, percentages, signs, date/time order, selector choices, and rounding. For important decisions, verify the result against an independent source or qualified professional when appropriate.