( 1 square kilometer [km²] = 1000000 square meter [m²]

1 square centimeter [cm²] = 0.0001 square meter [m²]

1 square millimeter [mm²] = 1.0E-6 square meter [m²]

1 square micrometer [µm²] = 1.0E-12 square meter [m²]

1 hectare [ha] = 10000 square meter [m²]

1 acre [ac] = 4046.8564224 square meter [m²]

1 square mile [mi²] = 2589988.110336 square meter [m²]

1 square yard [yd²] = 0.83612736 square meter [m²]

1 square foot [ft²] = 0.09290304 square meter [m²]

1 square inch [in²] = 0.00064516 square meter [m²]

1 square hectometer [hm²] = 10000 square meter [m²]

1 square dekameter [dam²] = 100 square meter [m²]

1 square decimeter [dm²] = 0.01 square meter [m²]

1 square nanometer [nm²] = 1.0E-18 square meter [m²]

1 are [a] = 100 square meter [m²]

1 barn [b] = 1.0E-28 square meter [m²]

1 square mile (US survey) = 2589998.4703195 square meter [m²]

1 square foot (US survey) = 0.0929034116 square meter [m²]

1 circular inch = 0.0005067075 square meter [m²]

1 township = 93239571.972096 square meter [m²]

1 section = 2589988.110336 square meter [m²]

1 acre (US survey) [ac] = 4046.8726098743 square meter [m²]

1 rood = 1011.7141056 square meter [m²]

1 square chain [ch²] = 404.68564224 square meter [m²]

1 square rod = 25.29285264 square meter [m²]

1 square rod (US survey) = 25.2929538117 square meter [m²]

1 square perch = 25.29285264 square meter [m²]

1 square pole = 25.29285264 square meter [m²]

1 square mil [mil²] = 6.4516E-10 square meter [m²]

1 circular mil = 5.067074790975E-10 square meter [m²]

1 homestead = 647497.027584 square meter [m²]

1 sabin = 0.09290304 square meter [m²]

1 arpent = 3418.8929236669 square meter [m²]

1 cuerda = 3930.395625 square meter [m²]

1 plaza = 6400 square meter [m²]

1 varas castellanas cuad = 0.698737 square meter [m²]

1 varas conuqueras cuad = 6.288633 square meter [m²]

1 Electron cross section = 6.6524615999999E-29 square meter [m²] )