Vietnam Dong to US dollar: Treasury reporting rate

As of : The U.S. Treasury’s reporting rate of exchange for Vietnam-Dong is 25,959.00 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 -1.13% 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:

Primary source

Last checked against the source: . Changes and averages are calculated by this site from the published quarterly rates.

Extended data

MeasureValue
CurrencyVietnam-Dong
Latest reporting rate (units per US$1)25,959.00
Latest record dateSep 30, 2026
Previous quarter rate26,255.00
Change vs previous quarter (calculated)-1.13%
Rate one year earlier (4 quarters back)26,425.00
Change vs one year earlier (calculated)-1.76%
Highest rate in this series (units per US$1)26,425.00
Date of the highest rateSep 30, 2025
Lowest rate in this series (units per US$1)14,562.00
Date of the lowest rateMar 31, 2001
Average of all quarterly rates (calculated)20,370.46
US dollars per 1 unit of this currency (calculated, 1 / rate)0.0000
First record in the seriesMar 31, 2001
Quarterly records in the series103

Latest quarterly rates

Quarter-end record dateUnits per US$1
Sep 30, 202625,959.00
Jun 30, 202626,255.00
Mar 31, 202626,323.00
Dec 31, 202526,295.00
Sep 30, 202526,425.00
Jun 30, 202526,118.00
Mar 31, 202525,565.00
Dec 31, 202425,480.00

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: Vietnam-Dong: 25,959.00 now vs 26,255.00 last quarter = -1.13%; 1 ÷ 25,959.00 = 0.0000 US dollars per unit.

Frequently asked questions

What is the Treasury exchange rate for Vietnam-Dong?

The latest Treasury reporting rate is 25,959.00 units per US$1, for the quarter ending Sep 30, 2026.

How has the Vietnam-Dong rate changed?

It moved -1.13% versus the previous quarter (26,255.00) and -1.76% versus four quarters earlier (26,425.00).

What were the highest and lowest rates?

In this series the highest rate was 26,425.00 on Sep 30, 2025 and the lowest was 14,562.00 on Mar 31, 2001.

Is this a live market exchange rate?

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.

Where does the data come from?

From the Treasury Reporting Rates of Exchange dataset on the U.S. Treasury's Fiscal Data site, read through its public API.