United States pennies minted after 1982 weigh 2.5 grams, or 0.088 ounces. These pennies are 2.5 percent copper and 97.5 percent zinc. Before 1982, pennies weighed 3.11 grams, or 0.110 ounces. They were 95 percent copper ... More »

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The Royal Mint states that the British penny weighs 3.56 grams. The penny was first issued on Feb. 15, 1971. It was one of three new coins that were introduced after a new decimal currency system was implemented by the U... More »

According to the U.S. Mint, one penny weighs 2.5 grams, which means 100 pennies weigh 250 grams. That equals 8.81 ounces or a little over half a pound. More »

The Royal Mint states that the British penny weighs 3.56 grams. The penny was first issued on Feb. 15, 1971. It was one of three new coins that were introduced after a new decimal currency system was implemented by the U... More »

A penny weighs 0.0081 ounces. Twelve pennies weigh approximately 1 ounce, and 182 pennies, or $1.82 in pennies, weigh approximately 1 pound. The penny is the lightest of all U.S. coins. More »

As of 2014, a newly minted Canadian dime weighs 1.75 grams. In the early 20th century however, Canadian dimes that weighed as much as 2.33 grams were produced. More »

A half-dollar coin weighs 11.340 grams, according to the United States Mint. If the coin becomes underweight due to natural wear or through mutilation, the U.S. Philadelphia Mint Center or the Federal Reserve Bank recoll... More »