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A carbohydrate calculator estimates daily carb intake targets based on calorie goals, activity level, and dietary preferences. It is used by athletes, diabetics, and anyone managing their macronutrient balance.
公式
Carb calories = Total calories × carb % · Carb grams = Carb calories ÷ 4
ステップバイステップガイド
- 1Determine total daily calorie target (TDEE or prescribed calories)
- 2Set carbohydrate percentage (typically 45–65% for general health; 30–40% for low-carb)
- 3Divide carb calories by 4 (each gram of carbohydrate = 4 kcal)
解いた例
入力
2,000 kcal diet · 50% carbohydrate target
結果
1,000 kcal from carbs ÷ 4 = 250 g carbohydrates/day
1 slice bread ≈ 15 g carbs; 1 cup cooked rice ≈ 45 g carbs
避けるべきよくある間違い
- ✕Counting total carbs instead of net carbs for keto diets (net = total − fibre)
- ✕Using same carb target for rest days and training days
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