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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.

1 天前 · This currency rates table lets you compare an amount in US Dollar to all other currencies.

The quantity of silver chosen in 1792 to correspond to one dollar, namely, 371.25 grains of pure silver, is very close to the geometric mean of one troy pound and one pennyweight. In what follows, "dollar" will be used as a unit of mass.

2025年1月23日 · dollar, originally, a silver coin that circulated in many European countries; in modern times, the name of the standard monetary unit in the United States, Canada, Australia, New Zealand, and other countries.

2024年9月22日 · The United States dollar, or U.S. dollar, is made up of 100 cents. It is represented by the symbol $ or US$ to differentiate it from other dollar-based currencies.

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 ( petrol ).