Current exchange rates are available from many free websites. The European Central Bank website  gives reference rates for the Euro against major currencies. XE.com  is a popular currency conversion site using up-to-the minute currency rates.

For long term trends, the European Central Bank also has rates back to 1999. Global Market Information Database carries historic and forecast annual exchange rates between 200 plus countries and the Dollar, Euro, Yen, Swiss Franc, Pound Sterling and International Dollar.

GMID is available via Library > E-Resources > By Alphabetical order .