Work out carbohydrate requirement instantly with clear inputs, formula shown and shareable results.
Converts a percentage of energy from carbohydrate into grams at 4 kcal per gram, and indexes it to body weight for training comparison.
Carbohydrate target
Grams = energy intake x carbohydrate share / 4 kcal per gram
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
The acceptable macronutrient distribution range is 45 to 65% of energy; endurance athletes often need 6 to 10 g/kg.
The reference intake is 130 g a day to supply the brain, though the body can adapt using ketones.