WHAT ARE THE UNITS OF AREA MEASUREMENT?
There are three units: rai, ngan and tarang-wa. 1 rai = 4 ngan = 400 tarang-wa = 1,600 square meters = 0.16 hectares = 1,914 square yards = 0.4 acres 1 ngan = 100 tarang-wa = 400 square meters = 478 square yards 1 tarang-wa = 4 square meters = 43 square feet = 4.8 square yards 1 square yard = 0.84 square meters = 0.21 tarang-wa 1 acre = 4,047 square meters = 2.53 rai In adverts, a common abbreviation such as 4‑2‑12 means 4 rai, 2 ngan and 12 tarang-wa, or 4.53 rai.
