United States dollar

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The United States dollar (sign: $; code: USD; also abbreviated US$ and referred to as the dollar, U.S. dollar, or American dollar) is the official currency of the United States and its territories per the Coinage Act of 1792.wikipedia
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Dollar sign

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The United States dollar (sign: $; code: USD; also abbreviated US$ and referred to as the dollar, U.S. dollar, or American dollar) is the official currency of the United States and its territories per the Coinage Act of 1792.
The dollar sign or peso sign ($ or ) is a symbol used to indicate the units of various currencies around the world, including the peso and the US dollar.

Currency

currenciesforeign currencycoinage
The United States dollar (sign: $; code: USD; also abbreviated US$ and referred to as the dollar, U.S. dollar, or American dollar) is the official currency of the United States and its territories per the Coinage Act of 1792.
Under this definition, U.S. dollars (US$), euros, Japanese yen, and pounds sterling are examples of currencies.

Penny (United States coin)

centspennycent
The act created a decimal currency by creating the following coins: tenth dollar, one-twentieth dollar, one-hundredth dollar.
The United States one-cent coin (symbol: ¢), often called the penny, is a unit of currency equaling one one-hundredth of a United States dollar.

Dime (United States coin)

dimedimes10¢
The act created a decimal currency by creating the following coins: tenth dollar, one-twentieth dollar, one-hundredth dollar.
The dime, in United States usage, is a ten-cent coin, one tenth of a United States dollar, labeled formally as "one dime".

ISO 4217

codecurrency codeISO 4217 currency code
The United States dollar (sign: $; code: USD; also abbreviated US$ and referred to as the dollar, U.S. dollar, or American dollar) is the official currency of the United States and its territories per the Coinage Act of 1792.
For example, USD (the United States dollar) is equal to 100 of its minor currency unit the "cent".

International use of the U.S. dollar

Kungfu bondInternational use of the US dollaruse it as their official currency
Several countries use it as their official currency, and in many others it is the de facto currency.
Besides being the main currency of the United States, the American dollar is used as the standard unit of currency in international markets for commodities such as gold and petroleum (the latter, sometimes called petrocurrency, is the source of the term petrodollar).

Currency symbol

signcurrency signsymbol
The United States dollar (sign: $; code: USD; also abbreviated US$ and referred to as the dollar, U.S. dollar, or American dollar) is the official currency of the United States and its territories per the Coinage Act of 1792.

Quarter (United States coin)

quarterquartersquarter dollar
In addition the act created the dollar, half dollar, and quarter dollar coins.
The quarter, short for quarter dollar, is a United States coin worth 25 cents, one-quarter of a dollar.

De facto currency

de facto'' currencyde factoDe facto currencies
Several countries use it as their official currency, and in many others it is the de facto currency.
The United States dollar and the European Union euro are the most common de facto currencies.

Coins of the United States dollar

United States coinageU.S. coinscoins
These other coins are more fully described in Coins of the United States dollar.
Coins of the United States dollar (aside from those of the earlier Continental currency) were first minted in 1792.

Reserve currency

reserve currenciesforeign currency reservesanchor currency
As it is the most used in international transactions, the U.S. dollar is the world's primary reserve currency.
By the end of the 20th century, the United States dollar was considered the world's dominant reserve currency.

Foreign exchange market

foreign exchangeForexcurrency exchange
The U.S. dollar as a currency is often referred to as the greenback by foreign exchange traders and the financial press in other countries, such as Australia, New Zealand, South Africa, and India.
For example, it permits a business in the United States to import goods from European Union member states, especially Eurozone members, and pay Euros, even though its income is in United States dollars.

American Silver Eagle

Silver EagleAmerican Eagle silver bullion coinsilver
The pure silver dollar is known as the American Silver Eagle.
It is struck only in the one-troy ounce size, which has a nominal face value of one dollar and is guaranteed to contain one troy ounce of 99.9% pure silver.

Fractional currency

50 cent billfractionalFractional currency (United States)
In the past, "paper money" was occasionally issued in denominations less than a dollar (fractional currency) and gold coins were issued for circulation up to the value of $20 (known as the "double eagle", discontinued in the 1930s).
These low-denomination banknotes of the United States dollar were in use between 21 August 1862 and 15 February 1876, and issued in 3, 5, 10, 15, 25, and 50 cent denominations across five issuing periods.

Pound sterling

£GBPpounds
The colloquialism "buck"(s) (much like the British word "quid"(s, pl) for the pound sterling) is often used to refer to dollars of various nations, including the U.S. dollar.
Sterling is the fourth most-traded currency in the foreign exchange market, after the United States dollar, the euro, and the Japanese yen.

Unit of account

money of accountunits of accountaccounting currency
The U.S. dollar may therefore be described as the unit of account of the United States.
Many international transactions continue to be settled in this way, using a national value (most often expressed in the US dollar or euro) but with the actual settlement in something else.

Philippine peso

PHPpesos
When the current, smaller sized U.S. currency was introduced it was referred to as Philippine-sized currency because the Philippines had previously adopted the same size for its legal currency, the Philippine peso.
From the same Spanish peso or dollar is derived the various pesos of Latin America, the dollars of the US and Hong Kong, as well as the Chinese yuan and the Japanese yen.

Money

monetaryspeciecash
There, "dollars" is a reference to the Spanish milled dollar, a coin that had a monetary value of 8 Spanish units of currency, or reales.
After World War II and the Bretton Woods Conference, most countries adopted fiat currencies that were fixed to the U.S. dollar.

Romanian leu

leiRONleu
It was also separately popular throughout Eastern Europe, where it led to the current Romanian and Moldovan currency being called leu (literally "lion").
The exchange rate was pegged at 167.20 lei to 1 U.S. dollar on February 7, 1929, 135.95 lei on November 5, 1936, 204.29 lei on May 18, 1940, and 187.48 Lei on March 31, 1941.

Coinage Act of 1792

Mint Act of 1792Coinage ActMint Act
The United States dollar (sign: $; code: USD; also abbreviated US$ and referred to as the dollar, U.S. dollar, or American dollar) is the official currency of the United States and its territories per the Coinage Act of 1792.
The Coinage Act or the Mint Act, passed by the United States Congress on April 2, 1792, created the United States dollar as the country's standard unit of money, established the United States Mint, and regulated the coinage of the United States.

Czech Republic

CzechCZEthe Czech Republic
St. Joachim's Valley is now known as Jáchymov, in the Czech Republic (then part of the Kingdom of Bohemia).
In 2016, Avast led by Pavel Baudiš bought rival AVG for US$1.3 billion, together at the time, these companies had a user base of about 400 million people and 40% of the consumer market outside of China.

Turks and Caicos Islands

Turks and CaicosTurks & Caicos IslandsTurks & Caicos
Besides the United States, it is also used as the sole currency in two British Overseas Territories in the Caribbean: the British Virgin Islands and Turks and Caicos Islands.
The US dollar is the main currency used on the islands.

Peso

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The sign was the result of a late 18th-century evolution of the scribal abbreviation "p s " for the peso, the common name for the Spanish dollars that were in wide circulation in the New World from the 16th to the 19th centuries.
The weight of the United States dollar was defined in 1788 as 371.25 grains of fine silver (or 24.057 g) based on the average silver content of worn peso coins.

Obsolete denominations of United States currency

Discontinued
Discontinued and canceled coin denominations include:
The U.S. Dollar has numerous discontinued denominations, particularly high denomination bills, issued before and in 1934 in six denominations ranging from $500 to $100,000.

Nixon shock

Dollar hegemonyclosed the gold windowsuspension in 1971
Since the suspension in 1971 of convertibility of paper U.S. currency into any precious metal, the U.S. dollar is de facto fiat money.
The Nixon shock was a series of economic measures undertaken by United States President Richard Nixon in 1971, in response to increasing inflation, the most significant of which were wage and price freezes, surcharges on imports, and the unilateral cancellation of the direct international convertibility of the United States dollar to gold.