The United States dollar (symbol: $; currency code: USD; also abbreviated US$ to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official currency of the United States and several other countries.

The United States dollar (or American dollar) is the official currency of the United States of America. It is also used in some other countries outside the US. It is the standard currency for international markets selling goods such as gold and oil . When writing, the symbol for the American dollar is the dollar sign ($).

2024年12月27日 · The United States dollar is the official currency of the U.S. and its territories. Learn about the bills and coins that make up U.S. currency.

2024年12月4日 · Today, the U.S. dollar functions as a fiat currency and the world’s leading reserve currency, underpinning international trade and finance. The concept of the dollar originated long before its official adoption by the United States.

By tracing our currency back to the colonial era, we can explore how American history has helped shape the way we design, issue, and process modern U.S. banknotes. The following centuries proved to be pivotal for the development of our nation's currency. Explore the timeline for an in …

2024年9月26日 · The Constitution ratified by Congress in 1792 created and regulated the coinage system of the United States with the dollar being the primary unit of currency. It is also the first currency in the world which adopt decimal systems.

Thus the United States moved to a gold standard, making both gold and silver the legal-tender coinage of the United States, and guaranteed the dollar as convertible to 23.22 grains (1.50463 grams, 0.048375 troy ounces) of pure gold, or a little over $20.67 per ounce.