Soil Instruments Limited - Geotechnical Conversion Tables

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km2

 m2

 cm2

 mm2

 sq. mile

 acre

 yd2

 ft2

 in2
1 106 1010 1012 0.38612 247.11 1.196 x 106 1.076 x 107 1.550 x 109
10-6 1 104 106 3.86 x 10-7 2.471 x 10-4 1.1960 10.764 1550
10-10 10-4 1 100 3.86 x 10-11 2.471 x 10-8 1.196 x 10-4 1.076 x 10-3 0.1550
10-12 10-6 10-2 1 3.86 x 10-13 2.47 x 10-10 1.196 x 10-6 1.076 x 10-5 1.550 x 10-3
2.590 2.59 x 106 2.59 x 1010 2.59 x 1012 1 639.96 3.097 x 106 2.788 x 107 4.01 x 109
4.047 x 10-3 4047 4.047 x 107 4.047 x 109 1.563 x 10-3 1 4840 43560 6.273 x 106
8.36 x 10-7 0.8361 8361 8.36 x 105 3.228 x 10-7 2.066 x 10-4 1 9 1296
9.29 x 10-8 9.29 x 10-2 929.0 92900 3.587 x 10-8 2.296 x 10-5 0.1111 1 144
6.45 x 10-10 6.45 x 10-4 6.4516 645.16 2.491 x 10-10 1.594 x 10-7 7.716 x 10-4 6.944 x 10-3 1