BMI of a 5′ 6″, 136 Pound Person

What is the BMI of a man or woman who weighs 136 pounds and is 5 foot 6 inches tall?
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Weight
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For a 5′ 6″ tall person who weighs 136 lbs:
BMI = 21.95
Note: BMI is the same for men and women

Am I Overweight?

Here are the BMI standards as set by the World Heath Organization:

BMICategory
< 18.5Underweight
18.5 - 25Healthy Weight
25 - 30Overweight
> 30Obese

In the United States, the average BMI for adults is 28.8.

BMI Formula

Metric
BMI = kg / m2

Imperial
BMI = (lbs * 0.45359237) / (inches * 0.0254)2

Simplified
BMI = 703 * lbs / inches2

Is BMI Worth Using?

Body Mass Index is a very simplistic method of determining whether a person is overweight. It does not taken into account a person's frame, gender, or muscularity. Furthermore, at least one study has suggested that slightly overweight people may live longer than people in the "normal" range.

Nevertheless, BMI is highly correlated with body fat % and is a decent enough yardstick of a healthy weight.

Body fat estimates for a person with a BMI of 21.95
These are rough estimates based on a formula, and do not reflect differences in muscularity, body types, etc...
Age Male Female
18 14.3% 25.1%
19 14.5% 25.3%
20 14.7% 25.5%
21 15.0% 25.8%
22 15.2% 26.0%
23 15.4% 26.2%
24 15.7% 26.5%
25 15.9% 26.7%
26 16.1% 26.9%
27 16.4% 27.2%
28 16.6% 27.4%
29 16.8% 27.6%
30 17.0% 27.8%
Age Male Female
31 17.3% 28.1%
32 17.5% 28.3%
33 17.7% 28.5%
34 18.0% 28.8%
35 18.2% 29.0%
36 18.4% 29.2%
37 18.7% 29.5%
38 18.9% 29.7%
39 19.1% 29.9%
40 19.3% 30.1%
41 19.6% 30.4%
42 19.8% 30.6%
43 20.0% 30.8%
Age Male Female
44 20.3% 31.1%
45 20.5% 31.3%
46 20.7% 31.5%
47 21.0% 31.8%
48 21.2% 32.0%
49 21.4% 32.2%
50 21.6% 32.4%
51 21.9% 32.7%
52 22.1% 32.9%
53 22.3% 33.1%
54 22.6% 33.4%
55 22.8% 33.6%