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Macro Calculator

Split daily calories into protein, carbs and fat grams by your chosen percentages.

How to Use the Macro Calculator

  1. Enter your values in the fields above.
  2. Press the Calculate / action button.
  3. Your result appears instantly below — adjust any value and calculate again.

About This Tool

Split daily calories into protein, carbs and fat grams by your chosen percentages. This tool runs instantly in your browser — no data is sent to any server. It is completely free with no sign-up, no watermarks and no daily limits.

Frequently Asked Questions

Is the Macro Calculator free to use?

Yes, it is 100% free with no sign-up and no limits.

Is my data safe?

Yes. This tool works entirely in your web browser, so your inputs and files are never sent to or stored on a server.

Does it work on mobile?

Yes, the Macro Calculator works on phones, tablets and computers — anything with a modern web browser.

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