One can find a currency converter online on Yahoo Finance which allows one to convert over 20 of the major currencies. One can also find a currency converter on Go Currency.
The main purpose of Yahoo!'s finance section is the currency converter that includes over 80 different currencies to convert to and from. Yahoo! actually does not contain a Forex section.
To convert currency by date you need a currency converter. Yahoo has one. Then type in the date you want and the time it will return the exchange rate for the currency you are trying to convert and the currency you are trying to obtain.
There are many websites online that can convert all types of currencies. For example, the best currency convertors to convert dollars to euros are the currency converters on Yahoo Finance, and XE currency converters.
There are many websites that have currency converters. The best website to check would be Yahoo Finance. They have a currency converter that will convert US dollars to Australian dollars.
Assuming the question refers to USA Dollars, and UK pounds, about 1.6 at the moment (Oct 2010). Currencies fluctuate in value. Use an online currency converter such as Yahoo finance to get an up to date conversion. http://uk.finance.yahoo.com/currencies/converter/#from=GBP;to=USD;amt=1
One may find a Euro (EUR) currency conversion chart at Coin Mill. One may also use the currency converter on Yahoo's Finance section to check the value against other world currencies.
Currency convertors that can convert Euros are available online, both Google and Yahoo have convertors. XE is another well known currency convertor. XE also has apps for both Android and iPhone.
Actually, there are several different tools available online in order to do currency conversions. Some examples include the "Currency Converter" tool of Yahoo or the "Currency Calculator" at OANDA.
People with internet access would typically use Yahoo Finance's currency converter. Thus the service is likely the most popular currency converter calculator online.
One could download an up to date forex converter from XE currency converter, yahoo finances, CNET has a real time desktop currency converter., or softonic.
The CAD and USD currency rate can be found on Currency Converter, XE, Bank of Canada, Coin Mill, Yahoo Finance, The Money Converter, Reuters and Oanda.