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Free Macro Calculator Online
Free Macro Calculator Online is a free online tool by US AI. Protein / carbs / fat split. It runs completely in your browser — no signup, no download, works on mobile and desktop.
📖 How to use
- Enter daily calories and pick a goal to split them into protein, carbs and fat grams.
- Open the tool with the button above — it loads instantly.
- Your work stays on your device; nothing is uploaded anywhere.
✨ Why use this tool?
US AI's free macro calculator online is fast, private and 100% free forever. Bookmark this page and share it with anyone who needs it.