- The U.S. one-cent coin is 0.748031 inches in diameter (less than three-quarters of an inch) and weighs 0.0881849 ounces.
- The composition of the penny is 97.5 percent zinc and 2.5 percent copper.
- There have been 11 different designs featured on the penny.
- The U.S. Mint produces more than 13 billion pennies annually.
- There are more than 130 billion one-cent coins currently in circulation.
- Since its beginning, the U.S. Mint has produced more than 288.7 billion pennies. Lined up edge to edge, these pennies would circle the earth 137 times.
- The average penny lasts 25 years.
- Sometimes a penny is worth more than a penny. If you think you're seeing double, save that coin. A 1955 penny has a "double-die date." In uncirculated condition -- not a blemish on it -- it's worth about $27,000. Even in less than perfect condition it'll fatten your bank account to the tune of $570.
- An average of 1,040 pennies are produced every second, adding up to 30 million a day.
- During its early penny-making years, the U.S. Mint was so short on copper that it accepted copper utensils, nails and scrap from the public to melt down for the coins.
- The Lincoln penny was the first U.S. coin to feature a historic figure. President Abraham Lincoln has been on the penny since 1909, the 100th anniversary of his birth.
- The Lincoln penny was the first cent on which appeared the words, "In God We Trust."
- More than two-thirds of all coins produced by the U.S. Mint are pennies.
Source: Americans for Common Cents