How many sq.km in 1 square miles?
The answer is 2.589988110336.
We assume you are converting between square kilometre and square mile.
You can view more details on each measurement unit: sq.km or
square miles
The SI derived unit for area is the square meter.
1 square meter is equal to 1.0E-6 sq.km, or 3.8610215854245E-7 square miles.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square kilometers and square miles.
Type in your own numbers in the form to convert the units!

››Quick conversion chart of sq.km to square miles

1 sq.km to square miles = 0.3861 square miles

5 sq.km to square miles = 1.93051 square miles

10 sq.km to square miles = 3.86102 square miles

20 sq.km to square miles = 7.72204 square miles

30 sq.km to square miles = 11.58306 square miles

40 sq.km to square miles = 15.44409 square miles

50 sq.km to square miles = 19.30511 square miles

75 sq.km to square miles = 28.95766 square miles

100 sq.km to square miles = 38.61022 square miles

››Want other units?

You can do the reverse unit conversion from
square miles to sq.km, or enter any two units below:

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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