RBS WorldPay offer the first 3 acquisition currencies of your choice (ie
currencies which you would like your customers to pay you in) free of
charge and any additional currencies added to your account will cost
you GBP 50 per currency (choose from over 100).
There would be
currency conversion if you are pricing your products/services in a
different currency as your settlement currency Or if you are pricing
products/services in the same currency as your settlement currency but
you allow your customers to have the option to pay in other currencies
other than your settlement currency.