Convert Square Kilometers to Square Miles (km2 to mi2)

Use this tool to convert between area units like Square Nanometer, Square Micrometer, Square Millimeter etc.

This area converter helps you convert Square Kilometers to Square Miles. Simply enter the value and get instant, accurate results with our free online calculator.

How to Convert Square Kilometers to Square Miles

Converting Square Kilometers to Square Miles is straightforward. The conversion formula is:

Square Miles = Square Kilometers × 0.3861017848944

This means that 1 Square Kilometer equals 0.3861017848944 Square Miles. Conversely, 1 Square Mile equals 2.5899906167839 Square Kilometers.

Example Calculation

To convert 10 Square Kilometers to Square Miles:

10 km2 × 0.3861017848944 = 3.861017848944 mi2

Common Square Kilometers to Square Miles Conversions

  • 10 km2 = 3.861017848944 mi2
  • 100 km2 = 38.61017848944 mi2
  • 500 km2 = 193.0508924472 mi2
  • 1000 km2 = 386.1017848944 mi2
  • 2000 km2 = 772.2035697888 mi2

Quick Reference

Conversion Formula: Square Miles = Square Kilometers × 0.3861017848944

Conversion Ratio: 1 km2 = 0.3861017848944 mi2

Inverse Conversion: 1 mi2 = 2.5899906167839 km2

Common Applications

Converting between Square Kilometers and Square Miles is frequently needed in:

  • Urban planning and development
  • Real estate and property measurements
  • Land surveying and mapping
  • Construction and architecture projects

Whether you're working on a professional project or need conversions for everyday tasks, this area converter provides accurate results instantly.

Frequently Asked Questions

How do you convert Square Kilometers to Square Miles?

To convert Square Kilometers to Square Miles, multiply the value by 0.3861017848944. The formula is: Square Miles = Square Kilometers × 0.3861017848944. For example, 100 km2 = 38.61017848944 mi2.

How many Square Miles are in 1 Square Kilometer?

There are 0.3861017848944 Square Miles in 1 Square Kilometer. This is the standard conversion factor for area measurements.

What is the formula for converting km2 to mi2?

The conversion formula is: mi2 = km2 × 0.3861017848944. Simply multiply your Square Kilometers value by 0.3861017848944 to get the equivalent in Square Miles.

How do you convert Square Miles to Square Kilometers?

To convert Square Miles back to Square Kilometers, multiply by 2.5899906167839. The inverse formula is: Square Kilometers = Square Miles × 2.5899906167839.

Is Square Kilometers to Square Miles conversion accurate?

Yes, this converter uses the standard international conversion factor of 0.3861017848944, ensuring accurate and reliable results for all area conversions.

When should I use Square Kilometers vs Square Miles?

Square Kilometers and Square Miles are different units of area. Use Square Kilometers for large land areas and geography and Square Miles for various applications.

Conversion Table: Square Kilometers to Square Miles

Quick reference table showing common Square Kilometers to Square Miles conversions. Use this chart for fast lookups of frequently used values.

km2mi2
0.1 km20.03861017848944 mi2
0.2 km20.07722035697888 mi2
0.3 km20.11583053546832 mi2
0.4 km20.15444071395776 mi2
0.5 km20.1930508924472 mi2
0.6 km20.23166107093664 mi2
0.7 km20.27027124942608 mi2
0.8 km20.30888142791552 mi2
0.9 km20.34749160640496 mi2
km2mi2
1 km20.3861017848944 mi2
2 km20.7722035697888 mi2
3 km21.1583053546832 mi2
4 km21.5444071395776 mi2
5 km21.930508924472 mi2
6 km22.3166107093664 mi2
7 km22.7027124942608 mi2
8 km23.0888142791552 mi2
9 km23.4749160640496 mi2
km2mi2
10 km23.861017848944 mi2
20 km27.722035697888 mi2
30 km211.583053546832 mi2
40 km215.444071395776 mi2
50 km219.30508924472 mi2
60 km223.166107093664 mi2
70 km227.027124942608 mi2
80 km230.888142791552 mi2
90 km234.749160640496 mi2
km2mi2
100 km238.61017848944 mi2
200 km277.22035697888 mi2
300 km2115.83053546832 mi2
400 km2154.44071395776 mi2
500 km2193.0508924472 mi2
600 km2231.66107093664 mi2
700 km2270.27124942608 mi2
800 km2308.88142791552 mi2
900 km2347.49160640496 mi2
km2mi2
1000 km2386.1017848944 mi2
2000 km2772.2035697888 mi2
3000 km21158.3053546832 mi2
4000 km21544.4071395776 mi2
5000 km21930.508924472 mi2
6000 km22316.6107093664 mi2
7000 km22702.7124942608 mi2
8000 km23088.8142791552 mi2
9000 km23474.9160640496 mi2
km2mi2
10000 km23861.017848944 mi2
20000 km27722.035697888 mi2
30000 km211583.053546832 mi2
40000 km215444.071395776 mi2
50000 km219305.08924472 mi2
60000 km223166.107093664 mi2
70000 km227027.124942608 mi2
80000 km230888.142791552 mi2
90000 km234749.160640496 mi2

Related Area Conversions