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Category: area Conversion: Rais to Acres The base unit for area is square meters (Non-SI/Derived Unit) [Rais] symbol/abbrevation: (ไร่) [Acres] symbol/abbrevation: (ac)
How to convert Rais to Acres (ไร่ to ac)? 1 ไร่ = 0.39536826082444 ac. 9187510545 x 0.39536826082444 ac = 3632450065.4829 Acres. 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+
The acre is a unit of land area used in the imperial and US customary systems. It is defined as the area of 1 chain by 1 furlong (66 by 660 feet), which is exactly equal to 1/..more definition+
In relation to the base unit of [area] => (square meters), 1 Rais (ไร่) is equal to 1600 square-meters, while 1 Acres (ac) = 4046.86 square-meters.