Learn all Thai vowels with pronunciation, length classification, and examples
Thai has 32 vowel symbols that represent 15 vowel sounds. These vowels are classified by length (short or long) and formation (simple, compound, or diphthong). Understanding these characteristics is essential for correct pronunciation.
Single vowel sounds that are straightforward to pronounce.
Combinations of two vowels that create a single sound.
Vowel combinations that glide from one sound to another.
| Vowel | Thai Script | RTGS Romanization | Sound | Length |
|---|---|---|---|---|
| ะ | ะ | a | short a | Short |
| ั | ั | a | short a | Short |
| า | า | a | long a | Long |
| ิ | ิ | i | short i | Short |
| ี | ี | i | long i | Long |
| ึ | ึ | ue | short ue | Short |
| ื | ื | ue | long ue | Long |
| ุ | ุ | u | short u | Short |
| ู | ู | u | long u | Long |
| เ | เ | e | long e | Long |
| แ | แ | ae | long ae | Long |
| โ | โ | o | long o | Long |
| ใ | ใ | ai | long ai | Long |
| ไ | ไ | ai | long ai | Long |
| ำ | ำ | am | long am | Long |
| ฤ | ฤ | rue | short rue | Short |
| ฤๅ | ฤๅ | rue | long rue | Long |
| ฦ | ฦ | lue | short lue | Short |
| ฦๅ | ฦๅ | lue | long lue | Long |
| Vowel | Thai Script | RTGS Romanization | Sound | Length |
|---|---|---|---|---|
| เ-ียะ | เ-ียะ | ia | short ia | Short |
| เ-ีย | เ-ีย | ia | long ia | Long |
| เ-ือะ | เ-ือะ | uea | short uea | Short |
| เ-ือ | เ-ือ | uea | long uea | Long |
| ว- | ว- | ua | long ua | Long |
| Vowel | Thai Script | RTGS Romanization | Sound | Length |
|---|---|---|---|---|
| เ-า | เ-า | ao | long ao | Long |
| เ-ิ | เ-ิ | oe | short oe | Short |
| เ-าะ | เ-าะ | o | short o | Short |
| แ-ะ | แ-ะ | ae | short ae | Short |
| โ-ะ | โ-ะ | o | short o | Short |