AUD to USD on December 18, 2025
1 AUD = 0.66082 USD
1 USD = 1.5133 AUD
On Thursday, December 18, 2025 the ECB reference rate was 1 AUD = 0.66082 USD, and 1 USD = 1.5133 AUD.
Against the previous business day (December 17, 2025, 0.66211) the rate moved by -0.19%.
The December 2025 average was 0.66401, with a low of 0.65531 and a high of 0.67021.
A year earlier, on December 18, 2024, 1 AUD cost 0.63221 USD (+4.53%).
December 2025: daily rates
| Date | Rate | Change |
|---|---|---|
| December 1, 2025 | 0.65648 | +0.58% |
| December 2, 2025 | 0.65531 | -0.18% |
| December 3, 2025 | 0.65921 | +0.60% |
| December 4, 2025 | 0.66070 | +0.23% |
| December 5, 2025 | 0.66368 | +0.45% |
| December 8, 2025 | 0.66414 | +0.07% |
| December 9, 2025 | 0.66376 | -0.06% |
| December 10, 2025 | 0.66431 | +0.08% |
| December 11, 2025 | 0.66553 | +0.18% |
| December 12, 2025 | 0.66676 | +0.18% |
| December 15, 2025 | 0.66518 | -0.24% |
| December 16, 2025 | 0.66392 | -0.19% |
| December 17, 2025 | 0.66211 | -0.27% |
| December 18, 2025 | 0.66082 | -0.19% |
| December 19, 2025 | 0.66024 | -0.09% |
| December 22, 2025 | 0.66480 | +0.69% |
| December 23, 2025 | 0.66939 | +0.69% |
| December 24, 2025 | 0.67021 | +0.12% |
| December 29, 2025 | 0.66917 | -0.16% |
| December 30, 2025 | 0.67018 | +0.15% |
| December 31, 2025 | 0.66834 | -0.28% |
Conversion at this date's rate
| Amount | USD | Amount | AUD |
|---|---|---|---|
| 1 AUD | 0.66082 USD | 1 USD | 1.51 AUD |
| 5 AUD | 3.30 USD | 5 USD | 7.57 AUD |
| 10 AUD | 6.61 USD | 10 USD | 15.13 AUD |
| 20 AUD | 13.22 USD | 20 USD | 30.27 AUD |
| 50 AUD | 33.04 USD | 50 USD | 75.66 AUD |
| 100 AUD | 66.08 USD | 100 USD | 151.33 AUD |
| 200 AUD | 132.16 USD | 200 USD | 302.65 AUD |
| 250 AUD | 165.21 USD | 250 USD | 378.32 AUD |
1 AUD in other currencies on December 18, 2025
| Pair | Rate |
|---|---|
| AUD/EUR Euro | 0.56389 |
| AUD/USD US dollar | 0.66082 |
| AUD/GBP British pound | 0.49318 |
| AUD/JPY Japanese yen | 102.94 |
| AUD/CHF Swiss franc | 0.52532 |
| AUD/CAD Canadian dollar | 0.91130 |
| AUD/NZD New Zealand dollar | 1.1460 |
| AUD/CNY Chinese yuan | 4.6530 |
| AUD/HKD Hong Kong dollar | 5.1421 |
| AUD/SGD Singapore dollar | 0.85311 |
| AUD/INR Indian rupee | 59.647 |
| AUD/KRW South Korean won | 976.19 |
| AUD/IDR Indonesian rupiah | 11,047.17 |
| AUD/MYR Malaysian ringgit | 2.7001 |
| AUD/PHP Philippine peso | 38.728 |
| AUD/THB Thai baht | 20.786 |
| AUD/ILS Israeli shekel | 2.1260 |
| AUD/TRY Turkish lira | 28.239 |
| AUD/ZAR South African rand | 11.087 |
| AUD/BRL Brazilian real | 3.6660 |
| AUD/MXN Mexican peso | 11.896 |
| AUD/PLN Polish zloty | 2.3713 |
| AUD/CZK Czech koruna | 13.754 |
| AUD/HUF Hungarian forint | 218.73 |
| AUD/RON Romanian leu | 2.8706 |
| AUD/SEK Swedish krona | 6.1472 |
| AUD/NOK Norwegian krone | 6.7410 |
| AUD/DKK Danish krone | 4.2130 |
| AUD/ISK Icelandic krona | 83.343 |
AUD/USD 2025 · AUD/USD · USD/AUD
The ECB publishes euro reference rates around 16:00 CET on TARGET business days. Cross rates between two non-euro currencies are calculated from their euro rates. Reference rates serve for information; a bank or card issuer applies its own rate.
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