There are 80 U.S. quarters in one pound. The weight of one U.S. quarter is 5.67 grams, and there are 453.59237 grams in one pound. When that number is divided by 5.67 grams, the weight of one quarter, it is equal to 80 quarters.
Each quarter is precisely crafted to be the same by the United States Mint. Quarters are made of an alloy of copper and nickel known as cupronickel.
The diameter of a quarter is 0.955 inches, and the thickness is 1.75 millimeters. The edge of each quarter has ridges called reeds, and there are 119 reeds on the side of each quarter. Pennies and nickels have plain sides, while dimes and half-dollar coins also have reeds along the side of the coins.