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Coin Specifications

How much does a dime weigh? What are pennies made of? Find out in the table below, which gives specifications for U.S. Mint legal tender coins presently in production for annual sets. Specifications for the American Innovation $1 Coins and Native American $1 Coins are the same.

The penny, dime, quarter, half dollar, and dollar are clad coins. Clad coins have an inner core of metal surrounded by an outer layer of a different metal. The Mint makes clad coins with an inner core of copper. The nickel is the only circulating coin that isn’t clad.

Denomination Cent Nickel Dime Quarter Half Dollar Dollar
Composition

Copper Plated Zinc

2.5% Cu
Balance Zn

Cupro-Nickel

25% Ni
Balance Cu

Cupro-Nickel

8.33% Ni
Balance Cu

Cupro-Nickel

8.33% Ni
Balance Cu

Cupro-Nickel

8.33% Ni
Balance Cu

Manganese-Brass

88.5% Cu
6% Zn
3.5% Mn
2% Ni

Weight 2.500 g 5.000 g 2.268 g 5.670 g 11.340 g 8.1 g
Diameter 0.750 in.
19.05 mm
0.835 in.
21.21 mm
0.705 in.
17.91 mm
0.955 in.
24.26 mm
1.205 in.
30.61 mm
1.043 in.
26.49 mm
Thickness 1.52 mm 1.95 mm 1.35 mm 1.75 mm 2.15 mm 2.00 mm
Edge Plain Plain Reeded Reeded Reeded Edge-Lettering
No. of Reeds N/A N/A 118 119 150 N/A
Content last updated on October 02, 2024