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Carbohydrate Calculator

Daily carb intake for your fitness goals

Carbohydrate Calculator

A carbohydrate intake calculator determines daily recommended carbs based on total calorie goal and activity level. Carbs provide 4 kcal/g and are the body's primary energy source.

  1. 1Standard guideline: 45–65% of total calories from carbs
  2. 2Carb grams = (Total calories × carb%) / 4
  3. 3Athletes: 6–10 g/kg body weight
  4. 4Low-carb diets: typically < 130g/day
2,000 kcal diet, 50% from carbs=1,000 kcal / 4 = 250g carbohydrates per day
GoalCarb %Example (2000 kcal)
Keto< 10%< 50g/day
Low-carb25–40%125–200g/day
Standard45–55%225–275g/day
Endurance sport60–70%300–350g/day
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