Thai Baht (THB)

Official legal currency of the Kingdom of Thailand (formerly Siam)

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What is Thai Baht (THB)?

Thai Baht is the official legal currency of the Kingdom of Thailand (formerly Siam). For coinage, the baht is divided into 100 satangs (comparable to cents in Canadian or US dollars). The baht is denoted with the symbol ฿.

Thai Baht - Image of THB bank notes

Thailand’s central bank, the Bank of Thailand, authorizes all minting of Thai coins and printing of Thai banknotes. However, some of the minting and banknote printing is contracted to the China Banknote Printing and Minting Corporation, the same state-owned Chinese corporation that produces all the coins and banknotes of the People’s Republic of China.

The baht is considered one of the strongest Southeast Asian currencies and is one of the most widely used currencies for payments worldwide. Despite ongoing political unrest in the country, the Thai baht was one of the best-performing currencies in the foreign exchange (forex) market as of 2018.


  • Thai baht is the official legal currency of the Kingdom of Thailand.
  • Thailand’s central bank, the Bank of Thailand, authorizes all minting of Thai coins and printing of Thai banknotes.
  • Thailand is one of Southeast Asia’s strongest and most rapidly growing economies.

Thai Baht in Operation

Thai baht is one of the oldest currencies in circulation, dating back approximately 800 years, to the 13th century. Its trading symbol in the forex market is THB. For example, the exchange rate of the baht and the British pound is stated as GBP/THB.

Like the British pound sterling, the baht was originally based on a unit of mass – specifically, 15 grams. The value of 1 baht was equal to 15 grams of silver, and all baht coins were composed of solid silver of a designated amount.

The baht remained linked to silver until the end of the 19th century. At that time, Thailand switched its currency to the current decimal-based system, dividing the baht into 100 satangs.

Over the years, the Thai baht has been pegged to several currencies, as well as to gold. In the early 20th century, the currency was pegged to the British pound sterling, with the exchange rate being periodically adjusted.

The exchange rate range over a period of approximately 20 years fluctuated between 11 baht per one British pound and 22 baht per one pound. The baht was also pegged briefly to the Japanese yen, and following World War II, to the price of gold, with a fixed exchange rate of one baht per 0.25974 gram of gold.

The Thai central bank pegged the baht to the US dollar from the mid-1950s until 1997. The initial dollar peg translated to 20 baht = 1 USD. During the Reagan presidency, when the US economy enjoyed a period of rapid growth and a strong US dollar, the peg was adjusted upward to 25 baht = 1 USD.

Following the Asian Financial Crisis that started in 1997, the Bank of Thailand chose to allow the baht to freely float in the foreign exchange market, as opposed to setting a fixed exchange rate value. The USD/THB exchange rate subsequently rose as high as 56 baht to 1 USD. As of 2020, the exchange rate is roughly 30 baht per US dollar.

Coins and Banknotes in Thailand

As of 2020, coins in the Thai baht are minted in denominations of 1, 5, 10, 25, and 50 satangs. There are also ฿1, ฿2, ฿5, and ฿10 coins. Banknote denominations are ฿20, ฿50, ฿100, ฿500, and ฿1,000.

The current series of Thai banknotes, the 2018 series, all feature a portrait of the country’s King, King Maha Vajiralongkorn, on the obverse side. The reverse sides of each denomination differ, each carrying an image of a preceding ruler of the country.

Thailand is one of the founding members of the trade organization called the Association of Southeast Asian Nations (ASEAN). The country’s economy depends heavily on exports, accounting for approximately 66% of the country’s Gross Domestic Product (GDP). Its key exports include computers, electrical appliances, textiles, and jewelry. In addition, fishing, agriculture, and tourism are major industries in Thailand.

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