How thick is a human fingernail?
0.5 mmAbout 0.02 in · Tiny
About 0.5 mm, a little thicker on the big toe.
💅0.5 mm
🔬a sperm cell
To scale: a fingernail's thickness is about 10× bigger than a sperm cell.
Things about the same size
- How long is a dust mite?0.3 mm
- How wide is a grain of table salt?0.3 mm
- How long is a tardigrade (water bear)?0.5 mm
- How wide is the lead in a standard mechanical pencil?0.5 mm
- How thick is a credit card?0.76 mm
- How wide is the ball in a medium Bic Cristal pen?1 mm
- How thick is a US dime?1.35 mm
- How thick is a US quarter?1.75 mm
Many real things vary in size, so we use a typical or official figure. Spotted a mistake? Email [email protected].