arrivals; the inbound side noun
- kǎa rising
- kâo falling
- Rising: start low, dip, then rise to the top, like a doubtful “Really?”
- Falling: start high and drop clearly, like a firm “No!”
How to use it
ขาเข้าkǎa-kâo, "the coming-in leg", is the arrivals hall at an airport, and on roads the lanes heading into town.
Since 1 May 2025, foreign visitors fill in the Thailand Digital Arrival Card (TDAC) online in the three days before they arrive, instead of the old paper arrival card. The paper form was the TM6, so Thais call the new one the online TM6, ตม.6 ออนไลน์dtaw-maw hòk awn-lai. It's free on the official immigration website, so don't pay the look-alike sites that charge for it.
Other spellings you'll see
There's no single official way to write Thai in English letters. We mark the tone of every syllable; online you'll also find:
- kha khao
- ka kao
- khaa kao
More travel and transport in Thai
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Written by the Learn Thai For Free team
Audio: AI voices, quality-checked for tones