As of : The U.S. Treasury’s reporting rate of exchange for Korea-Won is 1,355.01 units per US$1, as published for the quarter ending Sep 30, 2026. It is a quarterly rate for federal agencies, not a live market rate. That is -12.63% versus the previous quarter.
These are the Treasury's quarterly reporting rates for federal agencies, not live market rates. Do not use them to convert money for a payment or trade: use the rate your bank or provider quotes.
Published: · Data updated:
Last checked against the source: . Changes and averages are calculated by this site from the published quarterly rates.
| Measure | Value |
|---|---|
| Currency | Korea-Won |
| Latest reporting rate (units per US$1) | 1,355.01 |
| Latest record date | Sep 30, 2026 |
| Previous quarter rate | 1,550.88 |
| Change vs previous quarter (calculated) | -12.63% |
| Rate one year earlier (4 quarters back) | 1,404.05 |
| Change vs one year earlier (calculated) | -3.49% |
| Highest rate in this series (units per US$1) | 1,550.88 |
| Date of the highest rate | Jun 30, 2026 |
| Lowest rate in this series (units per US$1) | 920.800 |
| Date of the lowest rate | Dec 31, 2007 |
| Average of all quarterly rates (calculated) | 1,175.63 |
| US dollars per 1 unit of this currency (calculated, 1 / rate) | 0.0007 |
| First record in the series | Mar 31, 2001 |
| Quarterly records in the series | 103 |
| Quarter-end record date | Units per US$1 |
|---|---|
| Sep 30, 2026 | 1,355.01 |
| Jun 30, 2026 | 1,550.88 |
| Mar 31, 2026 | 1,524.50 |
| Dec 31, 2025 | 1,443.75 |
| Sep 30, 2025 | 1,404.05 |
| Jun 30, 2025 | 1,354.53 |
| Mar 31, 2025 | 1,473.69 |
| Dec 31, 2024 | 1,473.27 |
How the figures are counted: change = (latest rate ÷ earlier rate − 1) × 100; US dollars per unit = 1 ÷ rate; the average is the simple mean of all quarterly rates in the series.
Worked example: Korea-Won: 1,355.01 now vs 1,550.88 last quarter = -12.63%; 1 ÷ 1,355.01 = 0.0007 US dollars per unit.
The latest Treasury reporting rate is 1,355.01 units per US$1, for the quarter ending Sep 30, 2026.
It moved -12.63% versus the previous quarter (1,550.88) and -3.49% versus four quarters earlier (1,404.05).
In this series the highest rate was 1,550.88 on Jun 30, 2026 and the lowest was 920.800 on Dec 31, 2007.
No. The Treasury publishes reporting rates every quarter for federal agencies. For a payment, transfer or trade, use the rate quoted by your bank or provider.
From the Treasury Reporting Rates of Exchange dataset on the U.S. Treasury's Fiscal Data site, read through its public API.