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What does a macro-to-calories converter do?

It turns grams of protein, carbohydrate, and fat into calories and shows your macronutrient percentage split. This lets you check how many calories a meal or daily intake actually contains from each nutrient.

How are macros converted to calories?

Protein and carbohydrate each provide 4 calories per gram and fat provides 9 calories per gram. The converter multiplies your grams by these values, sums them for total calories, and displays each macro's share of the total.

How do I read the macronutrient percentage split?

The split shows what fraction of total calories comes from protein, carbs, and fat. Comparing it to your target ratio, such as a higher-protein or low-carb plan, tells you whether your intake matches your nutrition goal.