Thailand Land Measurement

Thailand Land Measurements

Thailand has a very unique way of measuring land, Rai, Ngan and Wah or Talang Wah or Square Wah. The chart below will assist you in converting the measurements.

1 Wah = 2 meters
1 square Wah = 4 square meters
100 square Wah = 400 square meters = 1 Ngan
100 square meters = 1076.391 square feet
4 Ngan = 1 Rai = 1,600 square meters
Conversion factors between Thai measurements, meters and acres are:
1 Acre = 2.529285 Rai (approximately) = 10 Ngan = 1,000 Talang Wah = 4,046.8561 Square Meters = 42,772 Square Feet = 4840 Square Yards
1 hectare = 10,000 square meters = 2.471 acres = 6.25 Rai (approximately)
1 Ngan = 100 Talang Wah = 400 Square Meters = 4,277 Square Feet
1 Rai = 4 Ngan = 400 Talang Wah = 1,600 Square Meters = 17,109 Square Feet
1 Acre = 2.5 Rai = 10 Ngan = 1,000 Talang Wah = 4,000 Square Meters = 42,772 Square Feet

Metric measures are usually used in the construction and measurement of buildings Land prices are usually expressed in Baht per Rai or Baht per Wah (for smaller plots).

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