Method and assumptions
Uses 4 kcal per gram for protein and carbohydrate and 9 kcal per gram for fat.
Important limitations
Energy and nutrition needs differ with health, age, pregnancy and training. Consult a qualified professional when needed.
Macro Calculator
Convert a daily calorie target and macro percentages into grams of protein, carbohydrate and fat.
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Result
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Enter values and select Calculate.
Transparency
Sources & methodology
- Calculation method
- Uses 4 kcal per gram for protein and carbohydrate and 9 kcal per gram for fat.
- Evidence basis
- Published health guidance combined with a simplified planning estimate.
- Applies to
- No statutory reference year. Results use the values and assumptions entered now.
- Last reviewed
- Limitations
- Energy and nutrition needs differ with health, age, pregnancy and training. Consult a qualified professional when needed.
Content basis and verification
· Calculations run in your browser. Check the formula and assumptions on this page, and confirm important financial, tax, medical or legal decisions against current official guidance.