Nutrition & Weight Loss

Macro Split Calculator

Use this macro split calculator to convert protein, carb, and fat percentages into actual gram targets.

Calculator

Turn macro percentages into grams.

If you already know the calorie target and split you want to use, this converts the percentages into daily grams.

How it works

How to use the macro split calculator

Macro Split Calculator is intended for people who already know the calorie target and want to apply a custom macro split. Use it to turn percentage-based macro planning into gram numbers you can track and eat.

Enter calories and make sure your protein, carb, and fat percentages add up to 100. The calculator returns a macro gram targets.

Macro percentages are preferences and planning tools, not universal rules that work the same for every body. After you see the gram targets, compare them to the foods you actually eat and make sure the split is realistic for you to follow.

FAQ

Common questions about this calculator.

Use these quick answers as a starting point, then compare the result to your real-world progress.

What does the macro split calculator tell me?

Enter calories and make sure your protein, carb, and fat percentages add up to 100. The result is a macro gram targets.

How accurate is the macro split calculator?

Macro percentages are preferences and planning tools, not universal rules that work the same for every body.

What should I do after I get my result?

After you see the gram targets, compare them to the foods you actually eat and make sure the split is realistic for you to follow.

Who is this calculator best for?

This calculator is intended for people who already know the calorie target and want to apply a custom macro split.

Related calculators

Keep going with the next useful calculator.

These related tools cover the same planning workflow from calories and macros through prep timing.

Track it

Track your nutrition and workouts for free in Logbook.

If you want a cleaner place to track the daily side of your plan, Logbook is built to keep that process simple.