The current US quarter has a diameter of 0.955 inches (24.26 mm). It is important to note that the composition of the quarter has changed over time. From 1932 to 1964, quarters were made of 90% silver and 10% copper and had a diameter of 24.3mm. Since 1965, quarters have been composed of a copper-nickel clad, with a core of pure copper and an outer layer of a 75% copper and 25% nickel alloy, and the diameter is slightly smaller at 24.26 mm.
If D&D coins were as thick as US quarters : r/DnD]
Which US coin has a diameter of 0.955 inches?
Good point! Quarter (Circulating, Uncirculated, Proof): Composition: Cupro-Nickel Clad (8.33% nickel, balance copper) Weight: 5.670 grams. Diameter: 0.955 inch (24.26 mm)