Body · #949 biggest of 1,014

How big is a fingernail?

1.2 cm

A fingernail measures 1.2 cm. That's about 171 human-hair widths lined up end to end.

By the numbers

That's 1.2 cm, or about 0.472 inches.
You'd need about 142 of them stacked up to reach the height of an average adult.
Roughly 171 human-hair widths could line up across it.
Out of all 1,014 things in this collection, it ranks #949 by size.

How fingernail stacks up against things of a similar size. Tap any bar to explore it.

fingernail

1.2 cm

Bars use a logarithmic scale so everything fits — real differences are even more extreme!

You could line up roughly 142 of them along the height of an average person.

human tooth

2 cm

stapes (smallest bone)

3 mm

human egg cell

100 µm

neuron

100 µm

human hair (width)

70 µm

sperm cell

50 µm

Tip: swipe, use the arrow keys, or scroll past the edge to jump between sizes.