Property
Thailand Land Measurement Units
Our guide to understanding Thailand's unique land measurement units.
21 July 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 MetricMetric to Thai
1 Wah = 2 m1 m = 0.5 Wah
1 Talang Wah = 4 sqm1 sqm = 0.25 Talang Wah
1 Rai = 1600 sqm1 Acre = 2.53 Rai
1 Rai = 400 Talang Wah1 Hectare = 6.25 Rai
1 Rai = 0.16 Hectare 
1 Ngan = 100 Talang Wah 
21 July 2020