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BMI: 170 cm, 100 kg

BMI 34.6

Obesity class I · 170 cm (5 ft 7 in), 100 kg (220 lb)

How it is calculated

BMI = weight (kg) ÷ height (m)² = 100 ÷ (1.70 × 1.70) = 100 ÷ 2.8900 = 34.6.

At 170 cm the healthy-weight range (BMI 18.5–24.9) is 53.5–72.0 kg; 100 kg is 28.0 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
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
115 kg	39.8	Obesity class II
120 kg	41.5	Obesity class III

100 kg at other heights

Height	BMI	Category
162 cm	38.1	Obesity class II
164 cm	37.2	Obesity class II
166 cm	36.3	Obesity class II
168 cm	35.4	Obesity class II
172 cm	33.8	Obesity class I
174 cm	33.0	Obesity class I
176 cm	32.3	Obesity class I
178 cm	31.6	Obesity class I

FAQ

What is the BMI of 100 kg at 170 cm?

BMI = 100 ÷ 1.70² = 34.6, 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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