Thailand Baht to US dollar: Treasury reporting rate

As of : The U.S. Treasury’s reporting rate of exchange for Thailand-Baht is 33.580 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 1.14% 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
CurrencyThailand-Baht
Latest reporting rate (units per US$1)33.580
Latest record dateSep 30, 2026
Previous quarter rate33.200
Change vs previous quarter (calculated)1.14%
Rate one year earlier (4 quarters back)32.410
Change vs one year earlier (calculated)3.61%
Highest rate in this series (units per US$1)46.370
Date of the highest rateJun 30, 2001
Lowest rate in this series (units per US$1)29.280
Date of the lowest rateMar 31, 2013
Average of all quarterly rates (calculated)34.896
US dollars per 1 unit of this currency (calculated, 1 / rate)0.0298
First record in the seriesMar 31, 2001
Quarterly records in the series103

Latest quarterly rates

Quarter-end record dateUnits per US$1
Sep 30, 202633.580
Jun 30, 202633.200
Mar 31, 202632.790
Dec 31, 202531.660
Sep 30, 202532.410
Jun 30, 202532.520
Mar 31, 202533.910
Dec 31, 202434.330

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: Thailand-Baht: 33.580 now vs 33.200 last quarter = 1.14%; 1 ÷ 33.580 = 0.0298 US dollars per unit.

Frequently asked questions

What is the Treasury exchange rate for Thailand-Baht?

The latest Treasury reporting rate is 33.580 units per US$1, for the quarter ending Sep 30, 2026.

How has the Thailand-Baht rate changed?

It moved 1.14% versus the previous quarter (33.200) and 3.61% versus four quarters earlier (32.410).

What were the highest and lowest rates?

In this series the highest rate was 46.370 on Jun 30, 2001 and the lowest was 29.280 on Mar 31, 2013.

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.