XinY Units - Convert area units from Acres to Square Kilometres
For all your unit conversions. Convert from x to y, from this to that.
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Acres
The acre is a unit of land area used in the imperial and US customary systems. Based upon the International yard and pound agreement of 1959, an acre may be declared as exactly 4,046.8564224 square metres. For context, the area of a baseball field is around 3 acres.
Square Kilometres
Square kilometre or square kilometer, symbol km2, is a multiple of the square metre, the SI unit of area or surface area. To give an idea of how many square kilometres is New York, or how many square kilometres is London, or how many square kilometres is Paris, New York is xxx, London is 1,572 square kilometres and Paris is 105.4 square kilometres, and New York is 783.8 square kilometres.