Square Wa (Thai) (sq wa)

ThaiTraditional unit (still used in some regions)

A square 2 meters on a side: exactly 4 m². Thai property prices are often quoted per square wa.

1 square wa (Thai) = 4 square meters (exactly).

About the square wa (Thai)

Tarang wa, the Thai name behind the English square wa, literally refers to a grid of wa. It is the smallest standard Thai land unit, the area of a square with sides of one wa, so with a wa of 2 meters it equals 4 square meters.

One hundred square wa form a ngan and 400 form a rai. Because it is so small, it is the unit in which urban plots and condominium-adjacent land are usually priced, and listings often quote a price per square wa.

Its value is the square of the wa, so any change to the wa would flow straight through, but the metric definition has been fixed since the cadastral survey of the Royal Thai Survey Department began in 1896. A typical townhouse lot of 20 square wa is therefore 80 square meters.

Sources: Wikipedia: Rai (unit); Wikipedia: Thai units of measurement

Square Wa (Thai) conversion chart

1 square wa (Thai) expressed in every other area unit:

More Thai units

• rai (Thai) (area)
• ngan (Thai) (area)
• wa (Thai) (length)
• sen (Thai) (length)

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