What is being measured?
Nominal diameter for this euro denomination. Uses the issuer’s listed diameter, including the shaped perimeter where applicable.
Use the named object, variant and dimension. A manufactured or natural object can differ from this reference.
- Dimension
- diameter
- Reference value
- 21.25 mm
- Evidence
- Nominal standard size
- In metres
- 0.02125 m
Put the length in perspective
One 5 euro-cent coin represents approximately 0.248 card lengths measured end to end. This is a length ratio; it does not calculate how the objects pack or fit.
5 euro-cent coin · 0.02125 m
Metre · 1 m
Foot (international) · 0.3048 m