Macro Calculator — Convert a daily calorie target into protein, carb, and fat grams. Pick a split that matches your goal: balanced (30/40/30), high-protein (35/35/30), low-carb (25/20/55), or keto (20/5/75). The calculator returns grams and the calorie contribution of each macro.
Math runs locally. No inputs are sent anywhere.
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What is macro calculator?
Convert a daily calorie target into protein, carb, and fat grams. Pick a split that matches your goal: balanced (30/40/30), high-protein (35/35/30), low-carb (25/20/55), or keto (20/5/75). The calculator returns grams and the calorie contribution of each macro.
Useful for flexible dieting (IIFYM), macro-based meal planning, and tracking macros on apps like MyFitnessPal. Pair with the calorie calculator to set the calorie target first.
How to use it
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Enter your calorie target
From the calorie calculator or your own planning.
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Pick a split
Balanced, high-protein, low-carb, or keto.
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Read the result
See grams and calorie contribution for protein, carbs, and fat.
Examples
2,000 kcal, balanced (30/40/30)
A standard maintenance target.
Result: 150g protein, 200g carbs, 67g fat
1,800 kcal, high-protein
A cut with extra protein for muscle retention.
Result: 158g protein, 158g carbs, 60g fat
Frequently asked questions
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Last reviewed: 2026-08-22