计算工具
宏量营养素计算器
Split a kcal target into protein, carbs and fat.
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编辑注
Understanding · 4 / 9 / 4 — the constants behind the splits.
本深度章节目前仅有英文版本。上方的转换工具支持您的语言;长篇说明文章尚未翻译。
常见问题
Quick answers.
›What are the standard calorie values for each macro?
Calculations use the standard Atwater factors: 4 kcal per gram for protein and carbohydrates, and 9 kcal per gram for fats.
›Which ratio should I choose?
A balanced 40/30/30 split is common for general health, while higher protein ratios are often used for muscle preservation. Consult a professional to determine the best ratio for your specific physiological needs.
›Is my health data stored?
No. All inputs and results remain in your browser session and are never transmitted to a server or stored externally.
›Can I set custom percentages?
Yes. You can manually adjust the percentage sliders to ensure the total equals 100% for a bespoke nutritional plan.
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