$1 primarily refers banknotes, bills or coins, including:

Currency

Australian one dollar coin The Australian one-dollar coin is the second most valuable circulation denomination coin of the Australian dollar after the two-dollar coin; there are also non-circulating legal-tender coins of higher denominations (five-, ten-, two-hundred-d ...

, which replaced the one dollar note *

Loonie The loonie (french: huard), formally the Canadian one-dollar coin, is a gold-coloured Coins of the Canadian dollar, Canadian coin that was introduced in 1987 and is produced by the Royal Canadian Mint at its facility in Winnipeg. The most prev ...

, which replaced the one dollar bill in Canada *

United States one-dollar bill The United States one-dollar bill ($1), sometimes referred to as a single, has been the lowest value denomination of United States paper currency since the discontinuation of U.S. fractional currency notes in 1876. An image of the first U. ...

, a denomination of United States currency *

Dollar coin (United States) The dollar coin is a United States coin with a face value of one United States dollar. Dollar coins have been minted in the United States in gold, silver, and base metal versions. Dollar coins were first minted in the United States in 1794. Whil ...

, a metal coin * New Zealand one-dollar coin, which replaced the one dollar note * Dollar (Hong Kong coin), coin of the Hong Kong dollar *The one-dollar

banknotes of Zimbabwe The banknotes of Zimbabwe were physical forms of Zimbabwe's first four incarnations of the dollar ($ or Z$), from 1980 to 2009. The banknotes of the first dollar replaced those of the Rhodesian dollar at par in 1981, one year after the proclam ...

Other currencies with $1 banknotes, bills or coins are: ; Dollars *

Bahamian dollar The dollar (sign: $; code: BSD) has been the currency of The Bahamas since 1966. It is normally abbreviated with the dollar sign ''$'', or alternatively B$ to distinguish it from other dollar-denominated currencies. It is divided into 100 cent ...

Barbadian dollar The dollar has been the currency of Barbados since 1935. Globally its currency has the ISO 4217 code ''BBD'', however, unofficially in Barbados the International vehicle registration code code BDS is also commonly used, a currency code that is o ...

Belize dollar The Belize dollar is the official currency in Belize ( currency code ''BZD''). It is normally abbreviated with the dollar sign ''$'', or alternatively ''BZ$'' to distinguish it from other dollar-denominated currencies. It is divided into 100 ce ...

Bermudian dollar The Bermudian dollar (symbol: $; code: BMD; also abbreviated BD$; informally called the Bermuda dollar) is the official currency of the British Overseas Territory of Bermuda. It is subdivided into 100 cents. The Bermudian dollar is no ...

Brunei dollar The Brunei dollar (sign: B$, Malay: ''ringgit Brunei'', currency code: ''BND''), has been the currency of the Sultanate of Brunei since 1967. It is normally abbreviated with the dollar sign $, or alternatively B$ to distinguish it from o ...

Cayman Islands dollar The Cayman Islands Dollar ( currency code ''KYD'') is the currency of the Cayman Islands. It is abbreviated with the dollar sign ''$'', or alternatively ''CI$'' to distinguish it from other dollar-denominated currencies. It is subdivided into 1 ...

Cook Islands dollar The Cook Islands dollar was the former currency of the Cook Islands, which now uses the New Zealand dollar, although some physical cash issued for the Cook Islands dollar remains in use. The dollar was subdivided into 100 '' cents'', with some o ...

East Caribbean dollar The Eastern Caribbean dollar (symbol: EC$; code: XCD) is the currency A currency, "in circulation", from la, currens, -entis, literally meaning "running" or "traversing" is a standardization of money in any form, in use or circulation as ...

Fijian dollar The Fijian dollar (currency sign: FJ$, $; currency code: FJD) has been the currency of Fiji since 1969 and was also the currency between 1867 and 1873. It is normally abbreviated with the dollar sign $, or alternatively FJ$ to distinguish it ...

Guyanese dollar The Guyanese dollar (currency sign: $, G$ and GY$; ISO: GYD) has been the unit of account in Guyana (formerly British Guiana) since 29 January 1839. Originally it was intended as a transitional unit to facilitate the changeover from the Dutch g ...

Jamaican dollar The Jamaican dollar (sign: $; code: JMD) has been the currency of Jamaica since 1969. It is often abbreviated to J$, the J serving to distinguish it from other dollar-denominated currencies. It is divided into 100 cents, although cent denomi ...

Liberian dollar The dollar (currency code ''LRD'') has been the currency of Liberia since 1943. It was also the country's currency between 1847 and 1907. It is normally abbreviated with the sign $, or alternatively L$ or LD$ to distinguish it from other dollar-d ...

Namibian dollar The Namibian dollar (symbol: N $; code: NAD) has been the currency of Namibia since 1993. It is normally abbreviated with the dollar sign $, or alternatively N$ to distinguish it from other dollar-denominated currencies. It is divided into 100 ...

Samoan tālā The tālā is the currency of Samoa. It is divided into 100 ''sene''. The terms ''tālā'' and ''sene'' are the equivalents or transliteration of the English words ''dollar'' and '' cent'', in the Samoan language. Its symbol is $, or ''WS$'' to d ...

Singapore dollar The Singapore dollar (currency sign, sign: S$; ISO 4217, code: SGD) is the official currency of the Republic of Singapore. It is divided into 100 cent (currency), cents. It is normally abbreviated with the dollar sign $, or S$ to distinguish ...

Solomon Islands dollar The Solomon Islands dollar ( ISO 4217 code: ''SBD'') is the currency of Solomon Islands since 1977. Its symbol is $, with SI$ used to differentiate it from other currencies also using the dollar sign. It is subdivided into 100 cents. Exchan ...

Surinamese dollar The Surinamese dollar (ISO 4217 code ''SRD'') has been the currency of Suriname since 2004. It is divided into 100 '' cent''. The Surinamese dollar is normally abbreviated with the dollar sign ''$'', or alternatively ''Sr$'' to distinguish it fro ...

New Taiwan dollar The New Taiwan dollar ( code: TWD; symbol: NT$, also abbreviated as NT) is the official currency of Taiwan. The New Taiwan dollar has been the currency of Taiwan since 1949, when it replaced the Old Taiwan dollar, at a rate of 40,000 old dolla ...

Trinidad and Tobago dollar The Trinidad and Tobago dollar (currency code TTD) is the currency of Trinidad and Tobago. It is normally abbreviated with the dollar sign $, or alternatively TT$ to distinguish it from other dollar-denominated currencies. It is subdivided into ...

Tuvaluan dollar The Tuvaluan dollar is the currency of Tuvalu, whose unofficial international currency code is TVD. Tuvalu has never had banknotes of its own, and has been issuing coins since 1976. However, the Tuvaluan dollar is used as a unit of account, and ...

;Pesos *

Argentine peso The peso (established as the ''peso convertible'') is the currency of Argentina, identified by the symbol $ preceding the amount in the same way as many countries using peso or dollar currencies. It is subdivided into 100 ''centavos''. Its ISO 4 ...

* Chilean peso *

Cuban peso The Cuban peso (in Spanish , ISO 4217 code: CUP) also known as , is the official currency of Cuba. The Cuban peso historically circulated at par with the Spanish-American silver dollar from the 16th to 19th centuries, and then at par with the ...

Dominican peso ' ( en, Dominican peso) has been the name of the currency of the Dominican Republic ( es, República Dominicana) since 2011. Its symbol is " $", with "RD$" used when distinction from other pesos (or dollars) is required; its ISO 4217 code is "DO ...

* Mexican peso *

Uruguayan peso Uruguayan peso ( es, peso uruguayo) has been a name of the Uruguayan currency since Uruguay's settlement by Europeans. The present currency, the ''peso uruguayo'' ( ISO 4217 code: ) was adopted in 1993 and is subdivided into 100 '' centésimo ...

;Other currencies *

Brazilian real The Brazilian real (pl. '; sign: R$; code: BRL) is the official currency of Brazil. It is subdivided into 100 centavos. The Central Bank of Brazil is the central bank and the issuing authority. The real replaced the cruzeiro real in 1994. A ...

Cape Verdean escudo The escudo (sign: ; ISO 4217: CVE) is the currency of the Republic of Cape Verde. One escudo is subdivided into one hundred ''centavos''. Amounts are generally written by using the () as the decimal separator, such as for 20 escudos, or for ...

Nicaraguan córdoba The córdoba (, sign: C$; code: NIO) is the currency of Nicaragua. It is divided into 100 ''centavos''. History The first córdoba was introduced on March 20, 1912. It replaced the peso moneda corriente at a rate of pesos m/c = 1 córdoba an ...

Tongan paanga Tongan may refer to: * Something of, from, or related to the country of Tonga *Tongans, people from Tonga *Tongan language, the national language of Tonga *Tong'an District, a district in Xiamen, Fujian, China See also *Tonga (disambiguation) *Ton ...

Other uses

* $1, a

formal parameter In computer programming, a parameter or a formal argument is a special kind of variable used in a subroutine to refer to one of the pieces of data provided as input to the subroutine. These pieces of data are the values of the arguments (often c ...

in some programming languages * ''One Dollar'' (TV series), American mystery thriller drama series that premiered in 2018