Carbohydrate Calculator

See your recommended daily carbohydrate intake range based on your energy needs.

About this calculator

Carbohydrates are the body’s primary fuel, especially for the brain and high-intensity exercise. Needs scale with total energy expenditure — this calculator converts your TDEE into gram ranges at common percentages.

Formula

Carbs (g) = TDEE × percentage ÷ 4 kcal/g

Results are estimates for information only — not medical advice. Sources: WHO, CDC, and peer-reviewed research.