巨量營養素熱量換算器
將蛋白質、碳水化合物和脂肪的公克數轉換為熱量
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此換算器將每種巨量營養素的公克數轉換為熱量，並顯示你攝取量的百分比占比。蛋白質和碳水化合物每公克提供4卡路里，而脂肪提供9卡路里，因此同樣重量的脂肪所含能量是兩倍多。輸入一餐或一整天的蛋白質、碳水化合物和脂肪公克數，即可查看總熱量以及能量如何分配——非常適合核對標籤或規劃營養素比例。
能量值：蛋白質和碳水化合物每公克提供4 kcal，脂肪每公克提供9 kcal。膳食纖維和確切的蛋白質值會因來源略有不同，因此標籤可能略有差異。
常見問題
- What does a macro-to-calories converter do?
- It turns grams of protein, carbohydrate, and fat into calories and shows your macronutrient percentage split. This lets you check how many calories a meal or daily intake actually contains from each nutrient.
- How are macros converted to calories?
- Protein and carbohydrate each provide 4 calories per gram and fat provides 9 calories per gram. The converter multiplies your grams by these values, sums them for total calories, and displays each macro's share of the total.
- How do I read the macronutrient percentage split?
- The split shows what fraction of total calories comes from protein, carbs, and fat. Comparing it to your target ratio, such as a higher-protein or low-carb plan, tells you whether your intake matches your nutrition goal.