US penny size — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/us-penny/  (CC BY 4.0)
Basis: United States Mint coin specifications
Catalog version: 2026-10-20

Overall (mm): length 19.05, width 19.05, height 1.52
- US penny: Ø19.05 mm, 1.52 mm thick, 2.5 g, edge plain.

dimension  value
diameter  19.05 mm (0.75 in)
thickness  1.52 mm
mass  2.5 g
edge  plain

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- US Mint: Coin specifications — web — Publisher's page; dimensions are facts — https://www.usmint.gov/learn/coin-and-medal-programs/coin-specifications

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