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Average Ear

This page covers the ever interesting world of the Human Ear! Covering basic information including Average Ear Size, Earlobe Size, and Hearing Thresholds this page aims to fill any average statistic information you may have on the ear.

Average Ear Size

The ear is roughly 85% of its full size by the age of 6 years old, and 90% of its full size by the age of 9 years old. The height (size) of the ear ranges quite broadly within samples gathered, exhibiting different dimensions by gender. The following chart illustrates key information pertaining to Average Ear Size.

Gender Average Ear Size
Male ~6.4 cm (2.52 in)
Female ~5.9 cm (2.32 in)

Average Ear

Earlobe

The human earlove is made up of connective tissues and rugged ariolar tissues. This subsystem of the ear lacks the firmness and elasticity of the rest of the ear, but maintains a large blood supply that may aid the ear maintain a degree of temperature balance. At this point, ear lobes have not been found to harbor any biological function.

Free earlobes versus attached earlobes are thought to be due to a combination of a number of influential genes. This trend not concretely known, but the genetic relationship within earlobe structure is strong.
The following table illustrates the Average Size of the Earlobe measured by length.

Average Earlobe Size: ~2 cm (0.78 in)

Average Hearing Threshold

Hearing threshold is typically measured in Decibels (dB) against a varying Frequency (Hz). As can be seen in the following figure, the hearing ability of an individual lessens over time, and typically remains better in women versus men.

Average Hearing

Hearing Test Resources

There are a number of hearing test resources avabilable that will play a frequency and determine your personal threshold - check it out:

http://www.noiseaddicts.com/2009/03/can-you-hear-this-hearing-test/