How wide is the lead in a standard mechanical pencil?
0.5 mmAbout 0.02 in · Tiny
0.5 mm is the most common size.
✏️0.5 mm
🔬a sperm cell
To scale: a pencil lead 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 thick is a human fingernail?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 hello@guessroo.com.