Script & tones: Thai Learning Blog

Script & tones11 min readUpdated 26 Oct 2026

Thai romanization explained: RTGS, Paiboon+ and why signs say "Sukhumvit"

Why does สวัสดี have so many English spellings? How RTGS works on Thai signs, why Sukhumvit breaks its rules, and how Paiboon+ shows tones. With audio.

RTGSPaiboon+AudioRoad signs

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Script & tones

Thai tones: how to hear, say and read all five

Hear all five Thai tones in real recordings, learn how the script spells each one, and work out any syllable's tone with a free tone decoder.

12 min

Keep the words from every post.

Save Thai words to decks with audio and real example sentences, then review them on your phone.

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Script & tones

Thai romanization explained: RTGS, Paiboon+ and why signs say "Sukhumvit"

Thai tones: how to hear, say and read all five

Keep the words from every post.