›› Convert square mile to square kilometre


square mile
square kilometer

Did you mean to convert square mile
square mile [nautical]
square mile [survey, U.S. statute]
to square kilometer

›› More information from the unit converter

How many square mile in 1 square kilometer? The answer is 0.38610215854245.
We assume you are converting between square mile and square kilometre.
You can view more details on each measurement unit:
square mile or square kilometer
The SI derived unit for area is the square meter.
1 square meter is equal to 3.8610215854245E-7 square mile, or 1.0E-6 square kilometer.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square miles and square kilometers.
Type in your own numbers in the form to convert the units!



›› Quick conversion chart of square mile to square kilometer

1 square mile to square kilometer = 2.58999 square kilometer

5 square mile to square kilometer = 12.94994 square kilometer

10 square mile to square kilometer = 25.89988 square kilometer

15 square mile to square kilometer = 38.84982 square kilometer

20 square mile to square kilometer = 51.79976 square kilometer

25 square mile to square kilometer = 64.7497 square kilometer

30 square mile to square kilometer = 77.69964 square kilometer

40 square mile to square kilometer = 103.59952 square kilometer

50 square mile to square kilometer = 129.49941 square kilometer



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›› Definition: Square mile

A square mile is defined as the area of a square with sides one mile in length.

The definition of a mile is as follows:

A mile is any of several units of distance, or, in physics terminology, of length. Today, one mile is mainly equal to about 1609 m on land and 1852 m at sea and in the air, but see below for the details. The abbreviation for mile is 'mi'. There are more specific definitions of 'mile' such as the metric mile, statute mile, nautical mile, and survey mile. On this site, we assume that if you only specify 'mile' you want the statute mile.


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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!