วิธีการคำนวณ Macro Split
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A macro split calculator determines the optimal distribution of protein, carbohydrates, and fat in your diet based on total calories and fitness goal. Macronutrients provide different caloric densities and serve different physiological roles.
สูตร
protein_g = calories × 0.25 / 4; carbs_g = calories × 0.45 / 4; fats_g = calories × 0.30 / 9
- cal
- Daily calories (cal) — Total daily energy intake
- prot_g
- Protein (g) — Amino acid target (1.6–2.2 g/kg for athletes)
- carb_g
- Carbs (g) — Energy source (3–7 g/kg depending on activity)
- fat_g
- Fat (g) — Essential nutrients (0.5–1.5 g/kg)
คำแนะนำทีละขั้นตอน
- 1Protein: 4 calories per gram
- 2Carbohydrates: 4 calories per gram
- 3Fat: 9 calories per gram
- 4Split varies: muscle gain (35P/40C/25F), fat loss (40P/30C/30F), endurance (20P/55C/25F)
ตัวอย่างที่มีคำตอบ
อินพุต
2,000 kcal, muscle building goal
ผลลัพธ์
Protein 175g, Carbs 200g, Fat 56g
อินพุต
1,800 kcal, fat loss
ผลลัพธ์
Protein 180g, Carbs 135g, Fat 60g
อินพุต
3,000 kcal, endurance sport
ผลลัพธ์
Protein 150g, Carbs 413g, Fat 83g
คำถามที่พบบ่อย
What is a good macro split?
Varies: sedentary (25P/45C/30F), athletes (30P/50C/20F), low-carb (40P/20C/40F). Personal goals and activity level drive split.
How do I know my calorie target?
BMR (basal metabolic rate) × activity factor. Or: use a calculator based on age, weight, height, sex, activity level.
Why does macro ratio matter?
Protein preserves muscle; carbs fuel activity; fats support hormones. Ratios affect satiety, energy, body composition.
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