on 31 March 2020
1 USD-United States [US dollar / $]=1.6399 AUD-Australia [Australian dollar / $ AU]1 USD=1.639923 AUD
1 AUD-Australia [Australian dollar / $ AU]=0.6098 USD-United States [US dollar / $]1 AUD=0.609785 USD

Conversion of 1 USD to AUD on 31 March 2015
Historical exchange rates graph :
Click to enlarge
Historical exchange rates array :
2015-01-02 / 2020-03-31
YearAverage USD/AUDMin USD/AUDMax USD/AUDNb of working days
20201.5231881.4300011.72530364
20191.4392731.3742171.496659255
20181.3390151.2328011.422829255
20171.3050261.2339141.392642255
20161.3448741.2766181.459246257
20151.3323591.2079771.441055256

Note
Exchange rates are refreshed daily and are the official ones published by Central banks
Before 31/12/1998, the Euro(EUR) exchange rates are theoretical ones. Use the XEU code to see Ecu (European Currency Unit) exchange rates. Before 13/03/1979 XEU rates are theoretical ones.
For Gold (XAU), Silver (XAG), platinum (XPT) and Palladium (XPD), rates and amounts are expressed in grams (1 ounce=31.103 g).