One of the most confusing things about traveling to a different country is knowing how much things cost, how you are going to pay for them, and how much you are getting for your dollar. Currency rates change daily. Thankfully, there are several places online to go to help you with converting these rates. As with many online market sites quotes may be slightly delayed.
Forex-Markets.com offers a real-time currency converter. It is easy to use and the information is real time.
Yahoo finance has an excellent current converter. The site offers help on how to use it and a full printable guide.
About Currency.com has a free easy to use currency guide. It offers tips and help and allows you to print out the results.
MSN Money has an excellent currency converter. The site lists cross-currency, currency rate and a currency converter.
Go Currency offers exchange rates and a currency converter. This site also provides historic quotes if needed or requested. Quotes are delayed at least 20 minutes.