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Quick comparison table
Tap any row to send that value to the converter above.
| ngan | square metres | rai-ngan-wah |
|---|---|---|
| 1 | 400 | 0-1-0 |
| 2 | 800 | 0-2-0 |
| 5 | 2,000 | 1-1-0 |
| 10 | 4,000 | 2-2-0 |
| 50 | 20,000 | 12-2-0 |
| 100 | 40,000 | 25-0-0 |
How the calculation works
One rai splits into 4 ngan, so one ngan equals 400 square metres — converting ngan to square metres is a direct multiplication by 400. The ngan unit tends to appear on its own on mid-sized deeds, such as suburban vacant land or smaller agricultural plots.
Example: a 3-ngan plot equals 1,200 square metres. That figure lines up directly with any comparison against a listing priced in square metres or rai.
See also: Square wah → square metres, Rai → square wah
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Frequently asked questions
How many square metres is one ngan?
One ngan is 400 square metres, equal to 100 square wah.
How many ngan make up one rai?
One rai is made up of 4 ngan — so 4 ngan equals 1 rai, or 1,600 square metres.
What's the difference between ngan and square wah?
Ngan is the larger unit: 1 ngan equals 100 square wah. Both convert the same way, but square wah is used more often for smaller plots.