Coins

10 euro-cent coin — diameter

≈ 19.75 mm

The selected diameter for 10 euro-cent coin is 19.75 mm (approximate reference).

Nominal standard size · Catalogue uniruler-preview-2026-10-20-r5

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
19.75 mm
Evidence
Nominal standard size
In metres
0.01975 m

Put the length in perspective

One 10 euro-cent coin represents approximately 0.231 card lengths measured end to end. This is a length ratio; it does not calculate how the objects pack or fit.

10 euro-cent coin · 0.01975 m

Metre · 1 m

Foot (international) · 0.3048 m

One of each reference, on the same linear scale. Very small lengths may not be visible. This compares length, not area or physical fit.
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