Is a BMI of 38 obese?
A BMI of 38 is higher than 99% of men worldwide and 93% of American men. For women it is the 98th percentile worldwide, and the WHO files it under "obese".
ObeseWHO category. BMI is a comparison with a population, not a diagnosis: it does not know muscle from fat, or where the weight sits.
BMI 38 by group
Men
Women
Percentile is the share of the group with a BMI below this one. “1 in X” counts the rarer side: people at or beyond this value above the median, at or under it below. Percentiles are estimated from a normal distribution with each group's mean and standard deviation.
What this means
- For a man of 180 cm (5 ft 11 in), a BMI of 38 is 123 kg (271 lb). For a woman of 165 cm (5 ft 5 in) it is 103 kg (228 lb).
- Across the 186 countries in our data, a BMI of 38 is most ordinary for men in Tonga, where it is higher than 91% of men, and stands out most in the Philippines, where it is higher than over 99%.
- BMI is weight divided by height squared. A rugby forward and a desk worker can share a number and little else, which is why doctors measure waists too.
Questions
- Is a BMI of 38 obese?
- Yes by the WHO cut-offs: 30 and over is obese, and 35 to 39.9 is class II. A BMI of 38 is higher than 99% of men and 98% of women worldwide, and 93% of men and 89% of women in the United States.
- How common is a BMI of 38?
- Worldwide, about 1 in 142 men and 1 in 60 women have a BMI of 38 or more. The global mean is 24.5 for men and 24.8 for women.
- What weight is a BMI of 38?
- It depends on height. At 160 cm a BMI of 38 is 97 kg (214 lb); at 170 cm, 110 kg (242 lb); at 180 cm, 123 kg (271 lb); at 190 cm, 137 kg (302 lb).
Source: NCD Risk Factor Collaboration, Lancet 2017, age-standardised mean BMI for 2016. Country SDs where published, otherwise the global SD. Percentiles on this page are our estimate from a normal distribution with the stated mean and SD.
Height and weight in, your BMI and country percentile out.
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