Macro Calculator
Calculate protein, carbs, and fat
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Quick guide
What can Macro Calculator help you do?
Free macro calculator for cutting, maintaining, or bulking. Estimate daily protein, carbohydrate, and fat targets from calories and body weight.
Best for
Useful for quick file work, text cleanup, calculations, content creation, and website or AI checks.
How to use it
Open the tool, enter or upload what it asks for, then copy or download the result directly.
Privacy and limits
Most tools run in your browser with no sign-in. Very large files or older devices may hit browser memory limits.
Frequently Asked Questions
Does it support cutting and bulking?
Yes. Choose a goal to adjust the macro split.
Are the macros exact?
They are practical targets, not a personalized nutrition plan.