Thailand Land Measurement Units

by Lisa Krystal,

14 September 2020

When dealing with Land in Thailand. Foreign buyers may come across the Thai land measurement units that locally used. The units “Rai, Wah, Ngan, Talang Wah” usually cause confusion when compared with metric. Nevertheless, Thais go back to Metric when dealing with buildings, and the area inside the property. Let’s be familiar with both systems and become master Land units.

Thai to Metric	Metric to Thai
1 Wah = 2 m	1 m = 0.5 Wah
1 Talang Wah = 4 sqm	1 sqm = 0.25 Talang Wah
1 Rai = 1600 sqm	1 Acre = 2.53 Rai
1 Rai = 400 Talang Wah	1 Hectare = 6.25 Rai
1 Rai = 0.16 Hectare
1 Ngan = 100 Talang Wah