Your result will appear here

Convert grams of protein, available carbohydrate and fat into energy and compare their percentage contributions.

Method, example and limitations

Energy = protein × 4 + available carbohydrate × 4 + fat × 9. Example: 20 g, 30 g and 10 g give 290 kcal. Percentages cover only these three energy contributions.

EUR-Lex — Regulation (EU) 1169/2011, Annex XIV ↗

When an estimate is not enough

This is not a meal plan or a recommended macro split. Fibre, polyols, alcohol and other components use different factors; rounding and labelling rules can explain differences from package calories.

General information for adults, not a personal diet or prescription. For medical conditions, pregnancy, breastfeeding, eating disorders or specific needs, consult a qualified professional.