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Convert square mile to square gigameter
Selected category: area.
Definition and details for square mile:
Square mile (mi2 or sq mi) is a traditional unit of area, equal to 640 acres, or 2.6 square kilometers.
Definition and details for square gigameter:
Square gigameter (Gm2) is an SI unit of area equal to 1018 m2.

Swap square mile - square gigameter values Swap, do a square gigameter to square mile conversion.