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Quick comparison table
Tap any row to send that value to the converter above.
| square wah | square metres | rai-ngan-wah |
|---|---|---|
| 1 | 4 | 0-0-1 |
| 2 | 8 | 0-0-2 |
| 5 | 20 | 0-0-5 |
| 10 | 40 | 0-0-10 |
| 50 | 200 | 0-0-50 |
| 100 | 400 | 0-1-0 |
How the calculation works
A square wah comes from squaring a length of one wah (2 metres), which makes one square wah equal to 4 square metres — so the conversion is a straight multiplication by 4. It's the standard unit for subdivided housing estates, townhouses and condominiums across urban Thailand.
Example: a 50-square-wah housing plot equals 200 square metres — a figure that lines up directly against a house's usable floor area or a condo unit's size, both usually quoted in square metres.
See also: Ngan → square metres, Square metres → rai
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Frequently asked questions
How many square metres is one square wah?
One square wah is 4 square metres, since one wah is 2 metres and 2 × 2 equals 4.
Why do subdivided plots get priced per square wah?
Square wah gives a figure that fits naturally with the size of individual lots in a housing estate, typically 50–100 square wah, making per-unit prices easy to compare across plots.
How many square metres is 50 square wah?
50 square wah equals 200 square metres.