Composition and Physical Properties of a Quarter
A modern U.S. quarter weighs 5.670 grams and consists of a copper core and a copper-nickel outer layer, with a diameter of 24.26 millimeters and a thickness of 1.75 millimeters, according to the United States Mint United States Mint. The coin contains no silver in its current composition, and its metallic structure is designed for durability in circulation.
The quarter has been produced in its current clad form since 1965, replacing the 90 percent silver composition used in earlier years. The U.S. Mint produces billions of quarters annually to meet demand, and the coin remains a standard unit of U.S. currency United States Mint.
What Happens If You Swallow a Quarter
Immediate Physical Effects
Swallowing a quarter typically does not cause immediate poisoning because the metals used are non-toxic in small quantities. The coin will usually pass through the digestive system naturally within a few days, similar to other small, smooth foreign objects, as noted by medical resources on gastrointestinal foreign bodies Mayo Clinic.
When Medical Attention Is Needed
Medical intervention becomes necessary if the coin becomes lodged in the esophagus, stomach, or intestines, particularly in children or individuals with pre-existing digestive conditions. Symptoms that require immediate care include chest pain, difficulty swallowing, abdominal pain, vomiting, or blood in the stool Mayo Clinic.
Legal and Regulatory Context
Federal Law on Coin Mutilation and Possession
Under federal law, it is illegal to melt down, alter, or fraudulently use U.S. coins, but simply possessing or accidentally swallowing a quarter is not a crime. The United States Mint and the Federal Reserve monitor coin circulation, and the current mintage figures for quarters are publicly available United States Mint.
Insurance and Financial Implications
There are no financial risks associated with accidentally swallowing a quarter beyond potential medical costs if treatment is required. The coin's face value remains one quarter of a dollar, and its metal content is worth slightly more than face value, though melting or exporting coins for their metal is restricted by law United States Mint.