AUD to USD — 2021

0.725328USD

for 1 Australian Dollar on 31 December 2021 · opened the year at 0.771974

6.04% over 2021

European Central Bank reference rate
258 trading days
Reference rate, not an offer

Today: 1 AUD = 0.694098 USD (PayerPay indicative rate, includes our margin)

2021 at a glance

1 AUD in USD
Measure	Rate	When
Opened	0.771974 USD	4 January 2021
Closed	0.725328 USD	31 December 2021
Highest	0.798133 USD	25 February 2021
Lowest	0.703942 USD	6 December 2021
Average	0.751169 USD	258 trading days
Change	-6.04% USD	open to close

Month by month

AUD to USD, 2021▼ 6.04%

1 AUD in USD, month by month, 2021
Month	Open	Close	High	Low	Change
January	0.771974	0.767179	0.779702	0.759771	-0.62%
February	0.763313	0.776738	0.798133	0.760018	+1.76%
March	0.774117	0.760771	0.779925	0.759069	-1.72%
April	0.757807	0.775432	0.779799	0.757807	+2.33%
May	0.773390	0.773439	0.788505	0.768676	+0.01%
June	0.774077	0.749638	0.775737	0.749638	-3.16%
July	0.750442	0.737061	0.757244	0.731680	-1.78%
August	0.736386	0.732483	0.741220	0.712820	-0.53%
September	0.734523	0.719416	0.743813	0.719416	-2.06%
October	0.725680	0.753478	0.753478	0.725319	+3.83%
November	0.751818	0.714744	0.751818	0.714485	-4.93%
December	0.713862	0.725328	0.726818	0.703942	+1.61%

← 2020 · All AUD to USD history · USD to AUD in 2021 · 2022 →

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Common questions

How did AUD to USD change in 2021?

From 0.771974 USD per AUD on 4 January 2021 to 0.725328 on 31 December 2021: -6.04% over the year, with an average of 0.751169 across 258 trading days.

What were the high and low of AUD to USD in 2021?

High: 0.798133 on 25 February 2021. Low: 0.703942 on 6 December 2021.

Data and reuse

The series, statistics and tables on this page are PayerPay's compilation (one reading per trading day; days from 28 September 2026 onward from our own record). They may not be copied, scraped or republished in ready form; quoting a figure with attribution and a link is fine. See the terms of use. These are reference rates for information, not an offer — PayerPay's indicative rate today is 1 AUD = 0.694098 USD, including our margin; the final rate for a transfer is confirmed in your order. Corrections: support@payerpay.io.

Source: European Central Bank.

Who we are

PayerPay is operated by PAYER PAY INTERNATIONAL INC (Company ID BC1526086), registered with the Financial Transactions and Reports Analysis Centre of Canada under MSB registration C100001025 and with the Bank of Canada under the Retail Payment Activities Act. Payment details are issued through licensed banking partners.