Nutrition & Body Composition

Macro Calculator

Split a daily calorie target into protein, carbohydrate and fat grams. Customize percentages and carry the result into the TEF calculator.

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Your estimate

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Enter your details and calculate to see your estimate, the breakdown and what to explore next.

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An educational estimate, not a measurement or medical advice.

Behind the numbers

How this calculator works

Multiply total calories by each macro percentage, then divide by 4 kcal/g for protein and carbs or 9 kcal/g for fat.

A worked example

At 2,000 kcal and 25/50/25: 125 g protein, 250 g carbs and about 55.6 g fat.