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BMI: 170 cm, 90 kg

BMI 31.1

Obesity class I · 170 cm (5 ft 7 in), 90 kg (198 lb)

How it is calculated

BMI = weight (kg) ÷ height (m)² = 90 ÷ (1.70 × 1.70) = 90 ÷ 2.8900 = 31.1.

At 170 cm the healthy-weight range (BMI 18.5–24.9) is 53.5–72.0 kg; 90 kg is 18.0 kg above the top of the healthy range. BMI 22 – the middle of the range – would be 63.6 kg.

Other weights at 170 cm

Weight	BMI	Category
70 kg	24.2	Healthy weight
75 kg	26.0	Overweight
80 kg	27.7	Overweight
85 kg	29.4	Overweight
90 kg	31.1	Obesity class I
95 kg	32.9	Obesity class I
100 kg	34.6	Obesity class I
105 kg	36.3	Obesity class II
110 kg	38.1	Obesity class II

90 kg at other heights

Height	BMI	Category
162 cm	34.3	Obesity class I
164 cm	33.5	Obesity class I
166 cm	32.7	Obesity class I
168 cm	31.9	Obesity class I
172 cm	30.4	Obesity class I
174 cm	29.7	Overweight
176 cm	29.1	Overweight
178 cm	28.4	Overweight

FAQ

What is the BMI of 90 kg at 170 cm?

BMI = 90 ÷ 1.70² = 31.1, which the WHO classifies as obesity class i.

What is a healthy weight for 170 cm?

A BMI of 18.5–24.9 at 170 cm (5 ft 7 in) corresponds to 53.5–72.0 kg (118 lb–159 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 170 cm · Metric BMI tables · Calorie calculator

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