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Category: area Conversion: Rais to Pyeongs The base unit for area is square meters (Non-SI/Derived Unit) [Rais] symbol/abbrevation: (ไร่) [Pyeongs] symbol/abbrevation: (pyeong)
How to convert Rais to Pyeongs (ไร่ to pyeong)? 1 ไร่ = 483.99928610105 pyeong. 421700 x 483.99928610105 pyeong = 204102498.94881 Pyeongs. Always check the results; rounding errors may occur.
Definition:
A rai (Thai: ไร่) is a unit of area, equal to 1 square sen (เส้น) or 1,600 square meters (40m × 40m), and is used in measuring land area for a cadastre or cadastral map. Its cur..more definition+
A pyeong is an areal unit used to measure the size of rooms or buildings in Korea, Japan, and Taiwan equal to 36 shaku2, where one shaku (尺, Japanese foot) is 10/33 m. Thus..more definition+
In relation to the base unit of [area] => (square meters), 1 Rais (ไร่) is equal to 1600 square-meters, while 1 Pyeongs (pyeong) = 3.30579 square-meters.