Choose Your Custom Coin Sizes

Here’s a custom challenge coin size chart to help you decide what size fits your needs:

Coin SizeInches (Diameter)MillimetersCommon Use / Notes
1.5″1.5 in38 mmMost common, pocket-friendly size
1.75″1.75 in44 mmSlightly larger, good detail without being bulky
2.0″2 in50 mmGreat for showcasing 3D detail, feels substantial
2.25″2.25 in57 mmImpressive presence, often used for commemorative coins
2.5″2.5 in63 mmLarge coin, used for high-impact or display pieces
3.0″3 in76 mmVery large; often used for desk/display coins

Things to Consider:

  • 1.5”–2.0” is ideal for easy carry and great detail.

  • 2.25”–3.0” is more collectible or ceremonial.

  • Larger sizes usually cost more and may require thicker metal for durability.