Originally Posted by
louie-m
I know how much I paid in sterling (for something in US$) but I'm trying to work out how much my aunt in Australia should reimburse me in Australian $ !
Oh I'm with you now. The poster is above is correct though. American Express doesn't do straight conversions unless your card is in USD or you spend in USD.
If you want to look at a generic exchange rate use xe.com they show the historic ones.