Quantity     Unit     is equal to     Conversion Factor     Reference Unit   1 square kilometer = 1 square kilometer 1 square hectometer = 0.01 square kilometer 1 square dekameter = 0.0001 square kilometer 1 square meter = 1E-06 square kilometer 1 square decimeter = 1E-08 square kilometer 1 square centimeter = 1E-10 square kilometer 1 square millimeter = 1E-12 square kilometer 1 square micrometer = 1E-18 square kilometer 1 square nanometer = 1E-24 square kilometer 1 hectare = 0.01 square kilometer 1 are = 0.0001 square kilometer 1 barn = 1E-34 square kilometer 1 square mile = 2.58998811034 square kilometer 1 square yard = 8.36127360001E-07 square kilometer 1 square foot = 9.29030400001E-08 square kilometer 1 square inch = 6.45160000001E-10 square kilometer 1 township = 93.2395719722 square kilometer 1 section = 2.58998811034 square kilometer 1 acre = 0.0040468564224 square kilometer 1 rood = 0.0010117141056 square kilometer 1 square chain = 0.00040468564224 square kilometer 1 square rod = 2.529285264E-05 square kilometer 1 square perch = 2.529285264E-05 square kilometer 1 square pole = 2.529285264E-05 square kilometer 1 arpent = 0.00404128224 square kilometer 1 cuerda = 0.003930395625 square kilometer 1 plaza = 0.0064 square kilometer 1 varas castellanas cuad = 6.98737E-07 square kilometer 1 varas conuqueras cuad = 6.288633E-06 square kilometer 1 strema = 0.001 square kilometer 1 circular inch = 5.06707479098E-10 square kilometer 1 circular mil = 5.06707479098E-16 square kilometer