วิธีการคำนวณ Ideal Height Weight

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Ideal weight formulas (Robinson, Devine) give population-based estimates of healthy weight for height. They are guides, not targets — muscle mass and body composition cause significant individual variation.

สูตร

Ideal body weight (IBW) = 50 kg + 2.3 kg per inch over 5'0" (women); 50 kg + 2.7 kg per inch over 5'0" (men); BMI = Weight / (Height^2) for BMI-based estimate

Height: Height in inches or cm (Inches or cm)
IBW: Ideal body weight (kg)
BMI: Body mass index (kg/m² (18.5–24.9 normal))

คำแนะนำทีละขั้นตอน

1Robinson (men): 52 + 1.9 × (height_inches − 60)
2Robinson (women): 49 + 1.7 × (height_inches − 60)
3BMI 18.5–24.9 gives a broader healthy weight range
4Athletes often weigh more due to muscle mass

ตัวอย่างที่มีคำตอบ

อินพุต

Female, 165cm (65")

ผลลัพธ์

Robinson: 57.5 kg; BMI healthy range: 50.5–67.9 kg

คำถามที่พบบ่อย

Is ideal body weight realistic for everyone?

Estimates are rough. Genetics, muscle mass, bone density vary widely. Someone at 110% IBW may be perfectly healthy (athletic, muscular). Use as guide, not target.

What if I'm muscular and BMI says overweight?

BMI doesn't distinguish muscle from fat. Athletes often "overweight" by BMI but lean. Use body composition (DEXA, calipers), photos, how clothes fit. BMI supplementary.

Should I focus on BMI or weight?

Health markers (blood pressure, cholesterol, glucose, inflammation) more important than absolute weight. You can be "overweight" BMI but metabolically healthy. Focus on feeling strong/energetic.

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