The default currency displayed for purchases on ItaliaRail is the US dollar. If you need to change the currency, you can do that in the upper right-hand corner of the main page of the website. The abbreviation "USD" appears next to a small drop-down arrow. Click the arrow to select one of the following currencies:
ItaliaRail adjusts regularly for currency conversion fluctuations as pay the rail companies in Italy in EUR which, and does not charge a fee for currency conversion.