Square Kilometers to Square Miles Converter
Enter the area in square kilometers below to convert it to square miles.
Result in Square Miles:
Do you want to convert square miles to square kilometers?
On this page:
- Square Kilometers to Square Miles Converter
- How to Convert Square Kilometers to Square Miles
- How Many Square Miles Are in a Square Kilometer?
- What Is a Square Kilometer?
- What Is a Square Mile?
- Square Kilometer to Square Mile Conversion Table
- More Square Kilometer & Square Mile Conversions
- Area Measurement IconConvert from Square Kilometers
- Area Measurement IconConvert to Square Miles
Joe is the creator of Inch Calculator and has over 20 years of experience in engineering and construction. He holds several degrees and certifications.
How to Convert Square Kilometers to Square Miles
To convert a measurement in square kilometers to a measurement in square miles, multiply the area by the following conversion ratio: 0.386102 square miles/square kilometer.
Since one square kilometer is equal to 0.386102 square miles, you can use this simple formula to convert:
square miles = square kilometers × 0.386102
The area in square miles is equal to the area in square kilometers multiplied by 0.386102.
How Many Square Miles Are in a Square Kilometer?
There are 0.386102 square miles in a square kilometer, which is why we use this value in the formula above.
1 sq km = 0.386102 sq mi
Square kilometers and square miles are both units used to measure area. Keep reading to learn more about each unit of measure.
What Is a Square Kilometer?
One square kilometer is equivalent to the area of a square with sides that are each 1 kilometer in length. One square kilometer is equal to 0.386102 square miles or 1,000,000 square meters.
The square kilometer, or square kilometre, is a multiple of the square meter, which is the SI derived unit for area. In the metric system, "kilo" is the prefix for thousands, or 103. A square kilometer is sometimes also referred to as a square km. Square kilometers can be abbreviated as sq km, and are also sometimes abbreviated as km². For example, 1 square kilometer can be written as 1 sq km or 1 km².
Learn more about square kilometers.
What Is a Square Mile?
One square mile is equal to the area of a square with sides that are each 1 mile long. One square mile is roughly equal to 2.59 square kilometers or 640 acres.
The square mile is a US customary and imperial unit of area. Square miles can be abbreviated as sq mi, and are also sometimes abbreviated as mi². For example, 1 square mile can be written as 1 sq mi or 1 mi².
Learn more about square miles.
Square Kilometer to Square Mile Conversion Table
| Square Kilometers | Square Miles |
|---|---|
| 1 sq km | 0.386102 sq mi |
| 2 sq km | 0.772204 sq mi |
| 3 sq km | 1.1583 sq mi |
| 4 sq km | 1.5444 sq mi |
| 5 sq km | 1.9305 sq mi |
| 6 sq km | 2.3166 sq mi |
| 7 sq km | 2.7027 sq mi |
| 8 sq km | 3.0888 sq mi |
| 9 sq km | 3.4749 sq mi |
| 10 sq km | 3.861 sq mi |
| 11 sq km | 4.2471 sq mi |
| 12 sq km | 4.6332 sq mi |
| 13 sq km | 5.0193 sq mi |
| 14 sq km | 5.4054 sq mi |
| 15 sq km | 5.7915 sq mi |
| 16 sq km | 6.1776 sq mi |
| 17 sq km | 6.5637 sq mi |
| 18 sq km | 6.9498 sq mi |
| 19 sq km | 7.3359 sq mi |
| 20 sq km | 7.722 sq mi |
| 21 sq km | 8.1081 sq mi |
| 22 sq km | 8.4942 sq mi |
| 23 sq km | 8.8804 sq mi |
| 24 sq km | 9.2665 sq mi |
| 25 sq km | 9.6526 sq mi |
| 26 sq km | 10.04 sq mi |
| 27 sq km | 10.42 sq mi |
| 28 sq km | 10.81 sq mi |
| 29 sq km | 11.2 sq mi |
| 30 sq km | 11.58 sq mi |
| 31 sq km | 11.97 sq mi |
| 32 sq km | 12.36 sq mi |
| 33 sq km | 12.74 sq mi |
| 34 sq km | 13.13 sq mi |
| 35 sq km | 13.51 sq mi |
| 36 sq km | 13.9 sq mi |
| 37 sq km | 14.29 sq mi |
| 38 sq km | 14.67 sq mi |
| 39 sq km | 15.06 sq mi |
| 40 sq km | 15.44 sq mi |