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BMI: 172 cm, 120 kg

BMI 40.6

Obesity class III · 172 cm (5 ft 8 in), 120 kg (265 lb)

How it is calculated

BMI = weight (kg) ÷ height (m)² = 120 ÷ (1.72 × 1.72) = 120 ÷ 2.9584 = 40.6.

At 172 cm the healthy-weight range (BMI 18.5–24.9) is 54.7–73.7 kg; 120 kg is 46.3 kg above the top of the healthy range. BMI 22 – the middle of the range – would be 65.1 kg.

Other weights at 172 cm

Weight	BMI	Category
100 kg	33.8	Obesity class I
105 kg	35.5	Obesity class II
110 kg	37.2	Obesity class II
115 kg	38.9	Obesity class II
120 kg	40.6	Obesity class III
125 kg	42.3	Obesity class III
130 kg	43.9	Obesity class III

120 kg at other heights

Height	BMI	Category
164 cm	44.6	Obesity class III
166 cm	43.5	Obesity class III
168 cm	42.5	Obesity class III
170 cm	41.5	Obesity class III
174 cm	39.6	Obesity class II
176 cm	38.7	Obesity class II
178 cm	37.9	Obesity class II
180 cm	37.0	Obesity class II

FAQ

What is the BMI of 120 kg at 172 cm?

BMI = 120 ÷ 1.72² = 40.6, which the WHO classifies as obesity class iii.

What is a healthy weight for 172 cm?

A BMI of 18.5–24.9 at 172 cm (5 ft 8 in) corresponds to 54.7–73.7 kg (121 lb–162 lb).

Is BMI accurate for everyone?

BMI does not distinguish muscle from fat. Very muscular people, older adults and some ethnic groups (WHO suggests lower cut-offs for Asian populations: 23 overweight, 27.5 obese) may need waist measurements or body-fat estimates as well.

BMI calculator · Ideal weight for 172 cm · Metric BMI tables · Calorie calculator

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