Convert 100 THB to USD

100 Thai Baht = 3.09 United States Dollars
today's official exchange rate from the European Central Bank.

100 THB = 3.0900 USD
1 THB = 0.0309 USD
Source: European Central Bank ยท Rate date: 2026-05-15

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90-Day Thai Baht to United States Dollar History

Daily ECB reference rates over the last 90 days. Updates skip weekends and ECB holidays.

Common Thai Baht to United States Dollar amounts

THB USD
1 THB 0.0309 USD
5 THB 0.1545 USD
10 THB 0.309 USD
25 THB 0.7725 USD
50 THB 1.545 USD
100 THB 3.09 USD
500 THB 15.45 USD
1,000 THB 30.9 USD
5,000 THB 154.5 USD
10,000 THB 309 USD

About the Thai Baht

The Thai Baht (symbol: เธฟ; code: THB) is the official currency of Thailand, issued by the Bank of Thailand. Each baht is divided into 100 satang. A popular currency among travelers due to Thailand's thriving tourism industry, the baht is one of Southeast Asia's most stable currencies and a key unit in regional trade.

About the United States Dollar

The United States Dollar (symbol: $; code: USD) is the official currency of the United States, issued by the Federal Reserve System. Each dollar is divided into 100 cents. As the world's primary reserve currency, the U.S. dollar accounts for more than half of global foreign exchange reserves and is used to price most international commodities, including oil and gold.

Frequently Asked Questions

How is this exchange rate calculated?

This conversion uses the European Central Bank reference rate, which is published once per business day at around 16:00 CET (Frankfurt time). The ECB calculates these rates from interbank market quotes provided by major banks. Reference rates are intended for information and statistical purposes โ€” they are not commercial rates at which currencies can actually be bought or sold.

Will I get this exact rate from my bank?

No. The ECB reference rate is a benchmark used by economists, regulators, and accountants โ€” not a retail rate. Banks, currency exchange services, and credit cards typically add a markup of 1 to 4 percent on top of the reference rate, plus possible fixed transaction fees. To know the actual rate you would pay, check directly with your bank or money transfer service before exchanging.

How often is this rate updated?

The European Central Bank updates exchange rates once per business day, around 16:00 CET. Rates are not updated on weekends or eurozone bank holidays โ€” during these periods the most recent business-day rate remains in effect. We refresh our cached rate every six hours to balance accuracy with performance.

Why does the Thai Baht to United States Dollar exchange rate change?

Exchange rates fluctuate based on many factors, including interest rate decisions by the Bank of Thailand and the Federal Reserve System, inflation differences between Thailand and the United States, trade balances, capital flows, and geopolitical events affecting market sentiment. Even small differences in expected economic conditions can move rates significantly over short periods.

Can I convert other currencies?

Yes. We support 15 major currencies for conversion: USD, EUR, GBP, JPY, CHF, CAD, AUD, CNY, INR, MXN, BRL, KRW, SGD, NZD, and SEK. Use the swap button above to flip the direction of this conversion, or open any other supported currency pair directly.

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