Exchange rates

US Dollar to Thai Baht

1 USD = 33.316 THB

1 THB = 0.03002 USD

Reference rate for September 20, 2026 · Updated every business day after central banks publish their reference rates.

1 day-0.01%

1 week+0.79%

1 month+1.69%

1 year+4.57%

Currency converter

Amount

From

100 USD = 3,331.60 THBOpen →

Reference rate, before any bank or card margin.

USD to THB conversion table

USD → THB
USD	THB
	33.316
	166.58
	333.16
	1,665.80
	3,331.60
	16,658
	33,316
	166,580
	333,160

THB → USD
THB	USD
	0.03002
	0.1501
	0.3002
	1.5008
	3.0016
	15.008
	30.016
	150.08
	300.16

USD/THB in numbers

30-day high33.319on September 19, 2026

30-day low32.676on August 24, 2026

90-day high33.798on July 23, 2026

90-day low32.676on August 24, 2026

One year ago31.860on September 20, 2025 · +4.57%

Monthly average rates

Month	Average THB per 1 USD
October 2025	32.583
November 2025	32.376
December 2025	31.557
January 2026	31.324
February 2026	31.263
March 2026	32.242
April 2026	32.315
May 2026	32.521
June 2026	32.886
July 2026	33.485
August 2026	33.034
September 2026	33.105

Questions about USD to THB

What is the USD to THB exchange rate today?

On September 20, 2026 the reference rate is 1 USD = 33.316 THB, which means 1 THB = 0.03002 USD.

How much is 100 USD in THB?

100 USD is about 3,331.60 THB at today's reference rate. Banks and card networks add their own margin, so the amount you actually receive will differ slightly.

Is this the rate my bank or card will give me?

No. This is the central bank reference rate, the midpoint between buying and selling. Banks, exchange offices and card networks apply their own rate plus fees, so use this number as the benchmark to see how much you pay on top.

How often is the USD/THB rate updated?

Once per business day, after the central banks publish their reference rates (the European Central Bank around 16:00 CET). There is no fixing on weekends and holidays, so those days carry the last published rate.

How has USD/THB changed over the past year?

One year ago 1 USD was 31.860 THB. Today it is 33.316 THB, a change of +4.57%.

Where does this data come from?

From central bank reference rates, aggregated by the open-source Frankfurter project. WaveRate republishes them for information only; they are not a quote to buy or sell currency.