【How-to】How much does a 1977 quarter weigh

Its current version is composed of two layers of cupronickel (75% copper, 25% nickel) clad on a core of pure copper. With the cupronickel layers comprising 1/3 of total weight, the coin’s overall composition is therefore 8.33% nickel, 91.67% copper. Its weight is 5.670 grams (0.1823 troy oz, or 0.2000 avoirdupois oz).