What is being measured?
Nominal diameter in the 2024 U.S. Code specification. Individual minted or worn coins can vary.
Use the named object, variant and dimension. A manufactured or natural object can differ from this reference.
- Dimension
- diameter
- Reference value
- 0.75 in
- Evidence
- Nominal standard size
- In metres
- 0.019050 m
- Variant
- 2024 statutory diameter specification; historical large coins excluded
Put the length in perspective
One US penny represents approximately 0.223 card lengths measured end to end. This is a length ratio; it does not calculate how the objects pack or fit.
US penny · 0.019050 m
Metre · 1 m
Foot (international) · 0.3048 m