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Category: area Conversion: Arpents to Rais The base unit for area is square meters (Non-SI/Derived Unit) [Arpents] symbol/abbrevation: (arp) [Rais] symbol/abbrevation: (ไร่)
How to convert Arpents to Rais (arp to ไร่)? 1 arp = 2.5258014 ไร่. 420000 x 2.5258014 ไร่ = 1060836.588 Rais. Always check the results; rounding errors may occur.
Definition:
An arpent is a unit of length and a unit of area. It is a pre-metric French unit based on the Roman actus. It is used in Quebec as well as in some areas of the United States that were part of French Louisiana.
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+
In relation to the base unit of [area] => (square meters), 1 Arpents (arp) is equal to 4041.28224 square-meters, while 1 Rais (ไร่) = 1600 square-meters.