US Dollar (USD)
The US Dollar is the primary currency of United States.
This currency is used by an estimated 391,417,487 people.
Based on our estimate, US Dollar is the #3 most popular currency is the world.
The currency code for the US Dollar is "USD".
The ISO 4217 number for this currency is 840.
The currency symbol for the Dollar is "$".
US Dollar conversion rates, useful facts, and holiday schedule can be found below.
USD Currency Demographics
The primary country using the US Dollar is United States.
The US Dollar is also used in American Samoa, Barbados, Bermuda, and 13 more..
There are approximately 391,417,487 people around the world who use the US Dollar.
The US Dollar is the #3 most used widely currency is the world.
391,417,487 user population
Ranked #3 in the world
USD Exchange Rates
1 US Dollar equals:
† Rates last updated at 3 hours from now
‡ Rates are the interbank rate and are only available on large transactions
USD Currency Facts
|ISO 4217 Code||USD|
|ISO 4217 Number||840|
|Currency Nicknames||greenback, buck, green, dough, smacker, bones, dead presidents, scrillas, paper|
|Minor Unit Name||cent|
|Minor Unit Symbol||
|Frequently Used banknotes||$1, $5, $10, $20, $50, $100|
|Rarely Used Banknotes||2|
|Frequently Used Coins||1¢, 5¢, 10¢, 25¢|
|Rarely Used Coins||$1, 50¢|
|Estimated User Population||391,417,487 people|
|USD Inflation Rate||1.23%|
† Population and Inflation rate as based on data from the World Bank.
‡ Corrections or suggestions? Please contact us.
USD Currency History
The table below shows the history of currencies that ultimately became the US Dollar.
|Ecuadorian sucre (ECS)
January 1884 to February 2000
|Portuguese Timorese escudo (TPE)
January 1959 to December 1976
|Rhodesian dollar (ZWC)
February 1970 to December 1980
|Zimbabwean dollar (ZWD)
April 1980 to July 2006
|Zimbabwean dollar (ZWN)
August 2006 to July 2008
|Zimbabwean dollar (ZWR)
August 2008 to February 2009
|Zimbabwean dollar (ZWL)
February 2009 to April 2009