XinY Units - Convert area units from Square Inches to Square Kilometres
For all your unit conversions. Convert from x to y, from this to that.
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Square Inches
A square inch is a unit of area, equal to the area of a square with sides of one inch. For context, there are 68.89 square inches in a sheet of A4 paper. sheet of A4 paper.
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.