Macro Calculator

Split daily calories into protein, carbohydrates, and fat grams.

How to use

Protein and carbs = 4 kcal/g. Fat = 9 kcal/g. Percentages should sum to 100%.

Frequently asked questions

Do you store the numbers I enter?

Calculations run in your browser. Inputs are not sent to our servers.

Are the results guaranteed accurate?

Standard formulas are used. Double-check important decisions with a professional or official source.