Protein & macro calculator
See how a calorie budget converts into protein, carbohydrate and fat.
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How to use this tool
An illustrative split uses 20% of energy from protein, 50% from carbohydrate and 30% from fat. This is one example within adult reference ranges, not your prescribed diet. The conversion uses 4 kcal per gram for protein and carbohydrate, and 9 for fat. Individual needs differ; ask a registered dietitian for a personal plan.
Source checked: 15 Oct 2026 · Read the source ↗
Educational estimates, not a personal medical or nutrition plan. This content has not yet been clinically reviewed.
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