The Composition of Modern U.S. Coins 1965 – –

CoinCompositionDiameterWeight
Cent (to 1982).950 copper .050 tin and zinc19 mm3.11 grams
Cent (1982 to date).992 zinc .008 copper19 mm2.5 grams
5 cents (Nickel).750 copper .250 nickel21.2 mm5 grams
10 cents (Dime)clad coinage: .750 copper and .250 nickel bonded to an inner core of pure copper17.9 mm2.27 grams
25 cents (Quarter)clad coinage: .750 copper and .250 nickel bonded to an inner core of pure copper24.3 mm5.67 grams
50 cents (half dollar)clad coinage: .750 copper and .250 nickel bonded to an inner core of pure copper30.6 mm11.34 grams
SBA $1.00clad coinage: .750 copper and .250 nickel bonded to an inner coire of pure copper26.5 mm8.1 grams
Sacagawea $1.00.885 copper .06 zinc . .035 manganese .02 nickel26.5 mm8.1 grams

United States Clad Coinage after 1965 
U.S. Silver Coins – When they ended and what they’re worth

coindoc
U.S. Silver Coins: When They Ended and What They're WorthComposition of Pre-1965 Modern U.S. Coinage
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    coindoc
    5 years ago Coins in General0