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Category: area Conversion: Square Kilometers to Rais The base unit for area is square meters (Non-SI/Derived Unit) [Square Kilometers] symbol/abbrevation: (km2, sq km) [Rais] symbol/abbrevation: (ไร่)
How to convert Square Kilometers to Rais (km2, sq km to ไร่)? 1 km2, sq km = 625 ไร่. 486100 x 625 ไร่ = 303812500 Rais. 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+
In relation to the base unit of [area] => (square meters), 1 Square Kilometers (km2, sq km) is equal to 1000000 square-meters, while 1 Rais (ไร่) = 1600 square-meters.