How wide is an adult human eyeball?
An adult human eyeball is about 2.4 cm (0.945 in) across.
Size source: en.wikipedia.org
Compared with things you know
- About 1.5 times as wide as a standard six-sided die (1.6 cm)
- About the same width as a US quarter coin (2.43 cm)
- About 28% as wide as a credit card (8.56 cm)
Did you know?
The pupil can open from about 2 mm to more than 8 mm to control how much light gets in.
