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Carb Grams From Calories Calculator

Convert a carbohydrate calorie share into grams for meal planning.

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Formula

Carb grams equal total calories multiplied by the carb percentage, divided by 4 kcal per gram.

How it works

The carb share of calories is isolated first, then divided by 4, the energy in one gram of carbohydrate. The remainder of calories goes to protein and fat.

FAQs

Why 4 kcal per gram?
That is the standard energy value used for carbohydrate.

What about fibre?
Fibre is counted inside carbohydrate here, as in most simple calculators.

Is 50% right for me?
It is a common middle value; active people often go higher.

General information only, not medical advice.

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