Dois here is a web page that will do all exchange rates for you.
http://www.xe.com/ucc/convert/...
BUT some banks charge to send other currency I know my bank charges a good amount to send like the thi bot or aus dollar. this calculates any type with up to date rates and your 21.00 Australian dollar= 22.0885 USA dollar
you need to find out why
Could the shipping be more then what you thought ??
mike