How big is a US penny?
1.9 cm across · 0.7 in
A penny is 19.05 millimeters across.
Grain of rice 7 mm
US penny 1.9 cm
Compared with things you know
- A US penny is about 2.7× the length of a grain of rice Grain of rice: 7 mm
- A US penny is about 1/1.7 the length of a paperclip Paperclip: 3.3 cm
- A US penny is about 1/3.2 the length of a house key House key: 6 cm
- A US penny is about 1/7.9 the height of a Smartphone Smartphone: 15 cm
Think you could size it by eye? A US penny is one of the objects in Sizedle.
Similar everyday things
- US quarter 2.4 cm across 1 in
- LEGO brick 3.2 cm long 1.3 in
- AA battery 5.1 cm long 2 in
- Rubik's Cube 5.7 cm wide 2.2 in
- Credit card 8.6 cm wide 3.4 in
- Dollar bill 15.6 cm long 6.1 in