How Long Is the Average Human Arm?

How Long Is the Average Human Arm?

How Long Is the Average Human Arm?

The length of the average human arm is 25 inches. However, the length varies because 25 inches is the average for a young man with average height and health.

Average human arm length is as variable as average human height. It is widely accepted that there is a correlation between the two; if a person is taller, then they most likely have longer arms than a shorter person. This correlation is a little different in children, since they tend to have longer arms as they are growing in comparison to adults of the same height. For example, a 5-foot-tall child probably has slightly longer arms than a 5-foot-tall adult, assuming that the child hasn't yet reached maximum height.