The result of your conversion between square mile and square gigameter appears here
To convert between Square Mile and Square Gigameter you have to do the following:
First divide 0.09290304*27878400 / 1.0E+18 = 0.
Then multiply the amount of Square Mile you want to convert to Square Gigameter, use the chart below to guide you.
Symbol: mi²
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Symbol: gm2
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