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Macro Calculators

Use this free macro calculators to set your own protein, carb and fat percentages and get grams.

Health information notice: Results are estimates based on general formulas and may not reflect individual circumstances. This tool is not a diagnosis or substitute for personalized advice from a qualified healthcare professional.

How the macro calculators works

Grams = calories × percentage ÷ calories per gram (4 for protein and carbs, 9 for fat). The three percentages should add to 100.

Frequently asked questions

Can I use any percentages?

Yes. The tool warns you if they do not add up to 100%.

Results are estimates for general information only. They are not a substitute for professional advice where applicable. Found a mistake? Report an error.