IBW formulas + BMI range

Ideal Weight for 180cm (5'11")

Reference weight estimated with four commonly used ideal body weight formulas: Devine, Robinson, Miller and Hamwi. The healthy range is derived separately from the standard adult BMI range.

59.9 kg

Min healthy weight

74.1 kg

Ideal weight (men)

68.8 kg

Ideal weight (women)

80.7 kg

Max healthy weight

Ideal Weight Results

👨 Men
👩 Women

74.1

kilograms

Ideal weight for men at 180cm (average of 4 formulas)

59.9 kg

Min healthy

74.1 kg

Ideal weight

80.7 kg

Max healthy

UnderweightNormalOverweightObese

Ideal weight 74.1 kg falls within the healthy BMI range

👨 Men

74.1 kg

59.9–80.7 kg

163.4 lbs

👩 Women

68.8 kg

59.9–80.7 kg

151.7 lbs

Ideal weight for a 180 cm woman

Healthy range 59.9–80.7 kg (132.1–177.9 lb); the four-formula average is 68.8 kg (151.7 lb).

Ideal weight for a 180 cm man

Healthy range 59.9–80.7 kg (132.1–177.9 lb); the four-formula average is 74.1 kg (163.4 lb).

In feet and inches, 180 cm is about 5'11". See ideal weight for 5'11" in pounds.

Reference Weight by 4 Common IBW Formulas

FormulaYearMen (kg)Women (kg)

Devine

Developed for drug-dosing calculations

19747570.5

Robinson

Regression-based

198372.667.5

Miller

Regression on updated insurance tables

198371.567.9

Hamwi

Quick estimation rule (1964)

196477.369.4
Recommended Average—74.168.8

BMI Categories for 180cm Height

These weights are calculated specifically for someone 180cm tall

🔵 Underweight

BMI < 18.5

Under 59.9 kg

🟢 Healthy

BMI 18.5 — 24.9

59.9 — 80.7 kg

🟠 Overweight

BMI 25 — 29.9

80.8 — 96.9 kg

🔴 Obese

BMI ≥ 30

Over 96.9 kg

How to Calculate Ideal Weight for 180cm

1

Convert height to inches

180 cm ÷ 2.54 = 70.9 inches (5'11")
2

Inches above 5 feet (60 in)

70.9 − 60 = 10.9 inches above 5ft
3

Apply Devine formula (most used)

Men: 50 + (2.3 × 10.9) = 75 kgWomen: 45.5 + (2.3 × 10.9) = 70.5 kg
4

Verify with BMI

BMI = 75 ÷ (1.80)² = 22.9 ✅ Within healthy range

About 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 .

Devine (1974)

Developed by Dr. B.J. Devine in 1974 for drug dosage calculations. It later became a common reference-weight estimate.

Robinson (1983)

Developed by Dr. J.D. Robinson in 1983 using regression analysis of Metropolitan Life Insurance data. Gives values close to Devine.

Miller (1983)

Developed by Dr. D.R. Miller in 1983 using updated Metropolitan Life tables. Typically produces the highest values.

Why Does Ideal Weight Differ Between Men and Women?

At 180 cm the four formulas give men about 5.3 kg more than women, because each formula uses different constants for men and women, derived from historical height–weight data (on average men carry more lean and bone mass). The BMI-based healthy range is the same for both sexes at the same height.

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Frequently Asked Questions

What is the ideal weight for 180cm?↓
The ideal weight for 180cm (5'11") ranges from 59.9 to 80.7 kg for men, and 59.9 to 80.7 kg for women. This range is based on a healthy BMI of 18.5–24.9 per WHO classification guidelines.
What is the ideal weight for a woman at 180cm?↓
For a woman at 180cm, the ideal weight ranges from 59.9 to 80.7 kg. The average of 4 common formulas (Devine, Robinson, Miller, Hamwi) is 68.8 kg. Individual results may vary based on muscle mass and body frame.
Is 84 kg a healthy weight for 180cm?↓
A weight of 84 kg at 180cm gives a BMI of approximately 25.8, which falls in the overweight range (25–29.9). Working toward the healthy range (59.9–80.7 kg) through balanced nutrition and exercise is recommended.
How do I calculate BMI for 180cm height?↓
BMI = weight (kg) ÷ height (m)². For 180cm (1.80m): BMI = your weight ÷ 3.24. Example: if you weigh 74.1 kg, your BMI = 22.9 — within the healthy range (18.5–24.9).
What is the difference between Devine, Robinson, Miller and Hamwi formulas for 180cm?↓
For men at 180cm: Devine = 75 kg, Robinson = 72.6 kg, Miller = 71.5 kg, Hamwi = 77.3 kg. For women: Devine = 70.5 kg, Robinson = 67.5 kg, Miller = 67.9 kg, Hamwi = 69.4 kg. Using the average of all four gives the most balanced estimate.
How do I reach my ideal weight at 180cm?↓
To reach the ideal weight (74.1 kg for men, 68.8 kg for women) at 180cm: calculate your daily calorie needs using a TDEE calculator, then create a deficit of no more than 500 calories/day to safely lose 0.5 kg per week. Incorporate strength training 3×/week to preserve muscle mass.

BMI at 180 cm by weight

Weight (kg)BMICategory
5015.4Underweight
5517Underweight
6018.5Healthy
6520.1Healthy
7021.6Healthy
7523.1Healthy
8024.7Healthy
8526.2Overweight
9027.8Overweight
9529.3Overweight
10030.9Obesity class 1
10532.4Obesity class 1
11034Obesity class 1
11535.5Obesity class 2
12037Obesity class 2
12538.6Obesity class 2
13040.1Obesity class 3

Standard adult BMI cut-offs (18+). They do not apply to children and teenagers.

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📚 Scientific References

  1. [1]Hamwi GJ. Therapy: changing dietary concepts. American Diabetes Association. 1964.
  2. [2]Devine BJ. Gentamicin therapy. Drug Intelligence & Clinical Pharmacy. 1974;8:650–5.
  3. [3]Robinson JD et al. Determination of ideal body weight for drug dosage calculations. Am J Hosp Pharm. 1983;40:1016–9.
  4. [4]Miller DR et al. Determining ideal body weight (and mass). Am J Hosp Pharm. 1983;40:1622–5.
  5. [5]WHO BMI Classification — Global Nutrition Monitoring Framework.
  6. [6]NHLBI. Aim for a Healthy Weight. National Heart, Lung, and Blood Institute.
  7. [7]Pai MP, Paloucek FP. The origin of the 'ideal' body weight equations. Ann Pharmacother. 2000;34(9):1066–9.
  8. [8]Peterson CM et al. Universal equation for estimating ideal body weight. Am J Clin Nutr. 2016;103(5):1197–203.

⚕️ Medical Disclaimer

These figures are educational estimates based on common ideal body weight formulas and the adult BMI range. They are not a substitute for personal medical assessment. Healthy weight is influenced by individual factors including muscle mass, bone density, age, and health status. Consult your physician or registered dietitian for a personalized evaluation.