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Home > Conversions (Area) > Conversion tables from/to square mile > sq mi to sq km Conversion Cheat Sheet (Interactive)
 From: Step: Decimals: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 You could also enter the values to convert and print directly on the table
 [Formula: sq km = sq mi x 2.58998811]   [Printer friendly]  [Square kilometers to Square miles] sq mi   sq km
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Square miles to Square kilometers Conversion Table

 sq mi  =  2.58998811 sq km

How to convert from Square miles to Square kilometers

Since 1 square mile is equal to 2.58998811 square kilometers, we could say that n square miles are equal to 2.58998811 times n square kilometers. In other words, we could use the following formula:

square kilometers = square miles x 2.58998811

For example, let's say that we want to convert 2 square miles to square kilometers. Then, we just replace square miles in the abovementioned formula with 2:

square kilometers = 2 x 2.58998811

That is, 2 square miles are equal to 5.17997622 square kilometers.