How to use the macro calculator
- Daily calories: Chosen calorie target.
- Protein (%): Share of calories from protein.
- Carbohydrate (%): Share of calories from carbohydrate.
- Fat (%): Share of calories from fat.
- Select the button and review the result.
Worked example
At 2,200 calories and 30/40/30, the targets are 165 g protein, 220 g carbs, and about 73 g fat.
Method and limitations
Protein/carbs ÷ 4 kcal per gram; fat ÷ 9.
Percentages must total 100. Nutrition needs vary; consult a qualified professional for medical needs.
Common questions
Why might another result be different?
Inputs, rounding, policies, rates, and assumptions can differ. Compare like-for-like values and use current official information when a rate or rule can change.
Does NidXee save my entries?
No. The calculation runs in your browser. Reloading or closing the page may clear it.