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BMI: 168 cm, 45 kg
Underweight · 168 cm (5 ft 6 in), 45 kg (99 lb)
How it is calculated
BMI = weight (kg) ÷ height (m)² = 45 ÷ (1.68 × 1.68) = 45 ÷ 2.8224 = 15.9.
At 168 cm the healthy-weight range (BMI 18.5–24.9) is 52.2–70.3 kg; 45 kg is 7.2 kg below the healthy range. BMI 22 – the middle of the range – would be 62.1 kg.
Other weights at 168 cm
45 kg at other heights
FAQ
What is the BMI of 45 kg at 168 cm?
BMI = 45 ÷ 1.68² = 15.9, which the WHO classifies as underweight.
What is a healthy weight for 168 cm?
A BMI of 18.5–24.9 at 168 cm (5 ft 6 in) corresponds to 52.2–70.3 kg (115 lb–155 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.
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