Euro 20 cent coin size — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/euro-20-cent-coin/  (CC BY 4.0)
Basis: European Commission, common sides of euro coins
Catalog version: 2026-10-20

Overall (mm): length 22.25, width 22.25, height 2.14
- 20 cent coin: Ø22.25 mm, 2.14 mm thick, 5.74 g. Spanish-flower shape (seven notches).

dimension  value
diameter  22.25 mm
thickness  2.14 mm
mass  5.74 g

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- European Commission: Common sides of euro coins — web — Publisher's page; dimensions are facts — https://economy-finance.ec.europa.eu/euro/euro-coins-and-notes/euro-coins/common-sides-euro-coins_en

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/euro-20-cent-coin/index.json
API: https://xemstudio.com/api/geometry?object=euro-20-cent-coin