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Convert mi2 to km2

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km2
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caretConversion Definitions

What is a square mile (mi2)?

A square mile is a unit of area in both US Customary Units as well as the Imperial System. The symbol for square mile is mi2 or sq mi. There are 0.38610216 square miles in a square kilometer. A square mile is calculated as the area of a square that has 1 mile on each side.

What is a square kilometer (km2)?

A square kilometer is a unit of area in the Metric System. The symbol for square kilometer is km2. There are 2.58998811 square kilometers in a square mile. A square kilometer is calculated as the area of a square that has 1 kilometer on each side. The International spelling for this unit is square kilometre.

caretConversion Formula

The formula to convert from mi2 to km2 is:

km2 = mi2 x 2.58998811

caretConversion Example

Square Miles to Square Kilometer Conversion Example

Task: Convert 200 square miles to square kilometers (show work)

Formula:
mi2 x 2.58998811 = km2

Calculations:
200 mi2 x 2.58998811 = 517.997622 km2

Result:
200 mi2 is equal to 517.997622 km2

caretConversion Table

Square Miles to Square Kilometers Conversion Chart

square miles (mi2) square kilometers (km2)
1 mi22.58998811 km2
2 mi25.17997622 km2
3 mi27.76996433 km2
4 mi210.35995244 km2
5 mi212.94994055 km2
6 mi215.53992866 km2
7 mi218.12991677 km2
8 mi220.71990488 km2
9 mi223.30989299 km2
10 mi225.8998811 km2
20 mi251.7997622 km2
30 mi277.6996433 km2
40 mi2103.5995244 km2
50 mi2129.4994055 km2
75 mi2194.24910825 km2
100 mi2258.998811 km2
250 mi2647.4970275 km2
500 mi21,294.994055 km2
750 mi21,942.4910825 km2
1,000 mi22,589.98811 km2
2,500 mi26,474.970275 km2
5,000 mi212,949.94055 km2
7,500 mi219,424.910825 km2
10,000 mi225,899.8811 km2
25,000 mi264,749.70275 km2
50,000 mi2129,499.4055 km2
75,000 mi2194,249.10825 km2
100,000 mi2258,998.811 km2
250,000 mi2647,497.0275 km2

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