Carbohydrate Calculator

Find daily carb grams from calories.

Carbs 225

Formula: grams = calories × % ÷ 100 ÷ 4

Step-by-step with your numbers:

1. Values used:

2. Daily calories = 2,000 kcal

3. Carbs = 45 %

5. Carbs = 225

Did we solve your problem today?

Convert a carb calorie target into grams.

The math behind it

Carbs provide 4 kcal/g, so grams = calories × percent ÷ 100 ÷ 4.

2,000 kcal at 45% → 225 g.

How much carbs?

Dietary guidelines suggest 45–65% of calories for most people.