Land Measurements in Thailand are measured in Rai, Ngan and Wah
1 Talang Mett = 1 Square Meter = 10.7 Square Feet.
1 Talang Wah = 4 Square Meters = 42.7 Square Feet.
1 Ngan = 100 Talang Wah = 400 Square Meters = 4,277Square Feet.
1 Rai = 4 Ngan = 400 Talang Wah = 1,600 Sqare Meters =17,108 Square Feet.
1 Acre = 2.5 Rai = 10 Ngan = 1,000 Talang Wah = 4,000 Square Meters = 42,772 Square Feet.
1 Hectare = 6.25 Rai.