AUD/USD Rate on 21 October 2025 (ECB Cross Rate)
Australian dollar to US dollar · Tuesday, 21 October 2025
0.6490
0.03% up+2.2 pipsvs 20 Oct
1 USD = 1.5409 AUD
On Tuesday, 21 October 2025, the AUD/USD cross rate calculated from the European Central Bank's euro reference rates was 0.6490: one Australian dollar (AUD) was worth 0.6490 US dollars (USD). Conversely, one US dollar was worth 1.5409 Australian dollars. The rate was 0.03% higher than the previous fixing on Monday, 20 October 2025 (0.6488). From 2 October 2025 to 21 October 2025 it ranged between 0.6452 and 0.6609 over 14 fixings.
Source: cross rate calculated by RateKite from European Central Bank euro reference rates.
| AUD | USD | USD | AUD |
|---|---|---|---|
| 1 | 0.65 | 1 | 1.54 |
| 10 | 6.49 | 10 | 15.41 |
| 100 | 64.90 | 100 | 154.09 |
| 1,000 | 648.98 | 1,000 | 1,540.88 |
| 10,000 | 6,489.80 | 10,000 | 15,408.81 |
Amounts at the reference rate, rounded; banks and card networks apply their own rates and fees.
| Date | Rate | Change |
|---|---|---|
| Tuesday, 14 October 2025 | 0.6452 | — |
| Wednesday, 15 October 2025 | 0.6515 | 0.98% up |
| Thursday, 16 October 2025 | 0.6498 | 0.25% down |
| Friday, 17 October 2025 | 0.6491 | 0.11% down |
| Monday, 20 October 2025 | 0.6488 | 0.06% down |
| Tuesday, 21 October 2025 | 0.6490 | 0.03% up |
| Wednesday, 22 October 2025 | 0.6486 | 0.05% down |
| Thursday, 23 October 2025 | 0.6504 | 0.27% up |
| Friday, 24 October 2025 | 0.6501 | 0.04% down |
| Monday, 27 October 2025 | 0.6559 | 0.89% up |
| Tuesday, 28 October 2025 | 0.6554 | 0.07% down |