The currency of the United States is the US Dollar. It's code is USD & symbol is $. According to our data, GBP to USD is the most popular US Dollar exchange rate conversion. Interesting nicknames for the USD include: greenback, cheese, dollar bills, buck, green, dough, smacker, dead presidents, scrillas, paper.
The most popular banknotes used in the USA are: $1, $5, $10, $20, $50, $100. It's used in: United States, America, American Samoa, American Virgin Islands, British Indian Ocean Territory, British Virgin Islands, Ecuador, El Salvador, Guam, Haiti, Micronesia, Northern Mariana Islands, Palau, Panama, Puerto Rico, Turks and Caicos Islands, United States Minor Outlying Islands, Wake Island, East Timor
The US Dollar was introduced in 1792 and is the most traded currency on the foreign exchange market. The preceding currency did not feature portraits of the presidents as George Washington did not want his face on the currency.