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US half dollar size

What are the dimensions of a US half dollar? · Modern device · basis: United States Mint coin specifications

Also called: half dollar diameter, half dollar size mm, us half dollar dimensions

Exact dimensions. True size, with no printing tolerance added.

length
30.61 mm
width
30.61 mm
height
2.15 mm

Notes

  • US half dollar: Ø30.61 mm, 2.15 mm thick, 11.34 g, edge 150 reeds.

US half dollar size size chart

dimensionvalue
diameter30.61 mm (1.21 in)
thickness2.15 mm
mass11.34 g
edge150 reeds

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

US MintCoin specificationswebPublisher's page; dimensions are facts

Free files

★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json

us-half-dollar-discØ30.61 × 2.15 mm discSTEP · STL
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
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Plain text: sheet.txt · JSON: /api/geometry?object=us-half-dollar

US half dollar size, isometric render of a generated part
Render of us-half-dollar-disc from the free STEP; not to scale.

Fits with

Questions

How big is a US half dollar?

Ø30.61 × 2.15 mm.