AUD/USD Rate on 18 December 2025 (ECB Cross Rate)
Australian dollar to US dollar · Thursday, 18 December 2025
0.6608
0.19% down−12.9 pipsvs 17 Dec
1 USD = 1.5133 AUD
On Thursday, 18 December 2025, the AUD/USD cross rate calculated from the European Central Bank's euro reference rates was 0.6608: one Australian dollar (AUD) was worth 0.6608 US dollars (USD). Conversely, one US dollar was worth 1.5133 Australian dollars. The rate was 0.19% lower than the previous fixing on Wednesday, 17 December 2025 (0.6621). From 1 December 2025 to 18 December 2025 it ranged between 0.6553 and 0.6668 over 14 fixings.
Source: cross rate calculated by RateKite from European Central Bank euro reference rates.
| AUD | USD | USD | AUD |
|---|---|---|---|
| 1 | 0.66 | 1 | 1.51 |
| 10 | 6.61 | 10 | 15.13 |
| 100 | 66.08 | 100 | 151.33 |
| 1,000 | 660.82 | 1,000 | 1,513.27 |
| 10,000 | 6,608.21 | 10,000 | 15,132.69 |
Amounts at the reference rate, rounded; banks and card networks apply their own rates and fees.
| Date | Rate | Change |
|---|---|---|
| Thursday, 11 December 2025 | 0.6655 | — |
| Friday, 12 December 2025 | 0.6668 | 0.18% up |
| Monday, 15 December 2025 | 0.6652 | 0.24% down |
| Tuesday, 16 December 2025 | 0.6639 | 0.19% down |
| Wednesday, 17 December 2025 | 0.6621 | 0.27% down |
| Thursday, 18 December 2025 | 0.6608 | 0.19% down |
| Friday, 19 December 2025 | 0.6602 | 0.09% down |
| Monday, 22 December 2025 | 0.6648 | 0.69% up |
| Tuesday, 23 December 2025 | 0.6694 | 0.69% up |
| Wednesday, 24 December 2025 | 0.6702 | 0.12% up |
| Monday, 29 December 2025 | 0.6692 | 0.16% down |