Ideal Weight for 168cm (5'6")
Precise results based on 4 internationally validated medical formulas — Devine, Robinson, Miller, Hamwi — per WHO classification.
52.2 kg
Min healthy weight
64.3 kg
Ideal weight (men)
59.9 kg
Ideal weight (women)
70.3 kg
Max healthy weight
Ideal Weight Results
64.3
kilograms
Ideal weight for men at 168cm (average of 4 formulas)
52.2 kg
Min healthy
64.3 kg
Ideal weight
70.3 kg
Max healthy
Ideal weight 64.3 kg falls in the optimal healthy range
👨 Men
64.3 kg
52.2–70.3 kg
141.8 lbs
👩 Women
59.9 kg
52.2–70.3 kg
132 lbs
Ideal Weight by 4 Scientific Formulas
| Formula | Year | Men (kg) | Women (kg) |
|---|---|---|---|
Devine Most cited clinically | 1974 | 64.1 | 59.6 |
Robinson Most statistically rigorous | 1983 | 63.7 | 59.4 |
Miller Suits heavier frames | 1983 | 64.9 | 61.5 |
Hamwi Clinical nutrition standard | 1964 | 64.6 | 59 |
| Recommended Average | — | 64.3 | 59.9 |
BMI Categories for 168cm Height
These weights are calculated specifically for someone 168cm tall
🔵 Underweight
BMI < 18.5
Under 52.2 kg
🟢 Healthy
BMI 18.5 — 24.9
52.2 — 70.3 kg
🟠 Overweight
BMI 25 — 29.9
70.4 — 84.4 kg
🔴 Obese
BMI ≥ 30
Over 84.4 kg
How to Calculate Ideal Weight for 168cm
Convert height to inches
168 cm ÷ 2.54 = 66.1 inches (5'6")Inches above 5 feet (60 in)
66.1 − 60 = 6.1 inches above 5ftApply Devine formula (most used)
Men: 50 + (2.3 × 6.1) = 64.1 kgWomen: 45.5 + (2.3 × 6.1) = 59.6 kgVerify with BMI
BMI = 64.1 ÷ (1.68)² = 22.8 ✅ Within healthy rangeAbout the 4 Medical Formulas
Hamwi (1964)
The earliest formula, developed by Dr. G.J. Hamwi in 1964 for clinical nutrition. Published via the American Diabetes Association and became the first bedside reference.
Devine (1974)
Developed by Dr. B.J. Devine in 1974 for drug dosage calculations. Despite its pharmacological origin, it became the most cited IBW formula in electronic health records worldwide.
Robinson (1983)
Developed by Dr. J.D. Robinson in 1983 using regression analysis of Metropolitan Life Insurance data. Considered the most statistically rigorous of the four.
Miller (1983)
Developed by Dr. D.R. Miller in 1983 using updated Metropolitan Life tables. Typically produces the highest values, accommodating heavier body frames.
Why Does Ideal Weight Differ Between Men and Women?
At 168cm, men's ideal weight is approximately 4.4 kg higher than women's. The primary reason: men naturally carry higher muscle mass (muscle is denser than fat at equal volume) and higher bone density. Per PMC research (2021), healthy body fat is 20–25% for women vs 15–20% for men.
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📚 Scientific References
- [1]Hamwi GJ. Therapy: changing dietary concepts. American Diabetes Association. 1964.
- [2]Devine BJ. Gentamicin therapy. Drug Intelligence & Clinical Pharmacy. 1974;8:650–5.
- [3]Robinson JD et al. Determination of ideal body weight for drug dosage calculations. Am J Hosp Pharm. 1983;40:1016–9.
- [4]Miller DR et al. Determining ideal body weight (and mass). Am J Hosp Pharm. 1983;40:1622–5.
- [5]WHO BMI Classification — Global Nutrition Monitoring Framework.
- [6]NHLBI. Aim for a Healthy Weight. National Heart, Lung, and Blood Institute.
- [7]Pai MP, Paloucek FP. The origin of the 'ideal' body weight equations. Ann Pharmacother. 2000;34(9):1066–9.
- [8]Peterson CM et al. Universal equation for estimating ideal body weight. Am J Clin Nutr. 2016;103(5):1197–203.