Against what currency?
Currencies always roll in pairs. To determine what is the rate of USD first you need to decide against which currency. For example: EUR/USD, USD/CAD etc'
The price of one currency can be measured by another currency, as the total amount of the currency that is equivalent to one unit of the measurement currency. Currencies are often quoted in pairs when measured this way. For example, the exchange rate of the Euro and the US Dollar can be quoted as EURUSD and USDEUR, depending on which currency is being measured (EUR representing the Euro, USD representing the United States Dollar). As an example, the current EURUSD exchange rate is 1.4675. This means that US$1.4675 is equivalent to 1 Euro at the current exchange rate. Likewise, the USDEUR exchange rate is roughly 0.6814 at the time of this answer's creation, as roughly 0.6814 Euros are equivalent to 1 United States Dollar.
The difference between indirect and direct exchange rates is that an indirect exchange rate is the number of foreign currency units that may be obtained for one local currency unit and a direct exchange rate is the number of local currency units needed to acquire one foreign currency unit. The direct exchange rate has the local currency units in the numerator (the U.S. dollar for the direct exchange rate for the U.S. dollar).
The exchange rate of the US to Canadian dollar as of June 27 2011 is 1USD = .986601946CAD. Other currency exchange rates can be found online or by asking any banking institution.
The rates change every day. Use this currency converter to calculate it.
Against what currency?
One $ = aprox. 1.21 euros
1 US dollar = 13.07 Mexican pesos (Aug 2014)
Today, 27.03.2013: 1 US $ = 3,38 lei.
The rate on different foreign currency trading, depends upon which currency you have. Canadian money is worth more than a U.S. dollar, but a Mexican dollar is worth less. Your bank should be able to help with information on currency trading.
The conversion rate varies depending on the currency of choice.
Currencies always roll in pairs. To determine what is the rate of USD first you need to decide against which currency. For example: EUR/USD, USD/CAD etc'
The foreign exchange rates for Malaysian currency depends on the currency that one is exchanging. For example, the U.S. dollar has a forex rate of 3.1.
The price of one currency can be measured by another currency, as the total amount of the currency that is equivalent to one unit of the measurement currency. Currencies are often quoted in pairs when measured this way. For example, the exchange rate of the Euro and the US Dollar can be quoted as EURUSD and USDEUR, depending on which currency is being measured (EUR representing the Euro, USD representing the United States Dollar). As an example, the current EURUSD exchange rate is 1.4675. This means that US$1.4675 is equivalent to 1 Euro at the current exchange rate. Likewise, the USDEUR exchange rate is roughly 0.6814 at the time of this answer's creation, as roughly 0.6814 Euros are equivalent to 1 United States Dollar.
The US foreign exchange rate varies greatly depending on the country and currency. The current foreign exchange rate for euros is 0.77 euros per USD. The current foreign exchange rate for CAD is 1.02 CAD per USD.
To get information on the current foreign currency rate, you can do a web search for that information. You can also search for the difference between two countries at that current time.
There is no way to determine one currency's exchange rate. To find out what is the value of one currncy it has to be compare to another currency. For example, you can check what is the exchange rate of the Sri Lanka's currency (LKR) in comparison the US Dollar (USD). Currently the USD/LKR is worth 133.2622.