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There are three size categories for body frame: small-boned, medium-boned and large-boned.
The size is determined using a person’s wrist circumference in relation to their height. For example, a
woman with 5' 5 in (165.1 cm) height and 6 in (15.2 cm) wrist would fall into the medium-boned category.
Please note that for men, the elbow breadth is needed instead of wrist circumference if his height is
less than or equal to 5'5" (165.1 cm).
You can also determine your body frame by wrapping your thumb and forefinger around the smallest part of
your wrist. Your estimated body frame is small if fingers overlap, medium if fingers touch, or large if
fingers don't touch.
The app automatically calculates your body frame based on your wrist circumference and height.
Table for female body frames
Wrist
|
Height
|
In
|
cm
|
<5'2"(157.5cm) |
5'2"-5'5"(157.5-165cm)
|
>5'5"(165cm)
|
|
<5.5 |
<14.0 | small
|
small |
small |
| 5.5 |
14.0 |
medium |
small |
small |
| 5.625 |
14.3 |
medium |
small |
small |
| 5.75 |
14.6 |
medium |
small |
small |
| 5.875 |
14.9 |
large |
small |
small |
| 6.0 |
15.2 |
large |
medium |
small |
| 6.125 |
15.6 |
large |
medium |
small |
| 6.25 |
15.9 |
large |
medium |
medium |
| 6.375 |
16.2 |
large |
large |
medium |
| 6.5 |
16.5 |
large |
large |
medium |
| >6.5 |
>16.5 |
large |
large |
large |
Table for male body frames
Wrist
|
Height
|
In
|
cm
|
>5'5"(165cm)
|
|
<5.5 |
<14.0 | small
|
| 5.5 |
14.0 |
small |
| 5.625 |
14.3 |
small |
| 5.75 |
14.6 |
small |
| 5.875 |
15 |
small |
| 6.0 |
15.3 |
small |
| 6.125 |
15.6 |
small |
| 6.25 |
15.9 |
small |
| 6.375 |
16.2 |
small |
| 6.5 |
16.5 |
medium |
| 6.625 |
16.9 |
medium |
| 6.75 |
17.2 |
medium |
| 6.875 |
17.5 |
medium |
| 7.0 |
17.8 |
medium |
| 7.125 |
18.1 |
medium |
| 7.25 |
18.5 |
medium |
| 7.375 |
18.8 |
medium |
| 7.5 |
19.1 |
medium |
| >7.5 |
>19 |
large |
References
2017, Healthy Weight. Retrieved from https://www.warrington.gov.uk/info/201158/public_health/1539/healthy_weight
1984, Frisancho, A.R. New standards of weight and body composition by frame size and height or assessment
of nutritional status of adults and elderly. American Journal of Clinical Nutrition, 40, 808-819
