Square Kilometers to Square Miles Converter
Convert square kilometers (km²) to square miles (mi²)
Result
0.3861021585 mi²
Square Miles
1 km² = 0.3861021585 mi²
1 km² in other units
- 1Enter a valueType the number to convert
- 2Pick the unitsChoose what to convert from and to
- 3Read the resultSee it in every other unit too
How to convert square kilometers to square miles
One square kilometer equals 0.3861022 square miles, so multiply the number of square kilometers by 0.3861022.
mi² = km² × 0.3861022
1 km² = 0.3861022 mi² · 1 mi² = 2.589988 km²
Worked example
To convert 5 square kilometers to square miles: 5 km² × 0.3861022 = 1.930511 mi².
About square kilometers (km²)
A square kilometre is 1,000,000 m², used for the area of cities, districts and countries.
About square miles (mi²)
A square mile is 640 acres, about 2.59 km².
More conversions
Square Kilometers to other units
- Square Kilometers to Square Millimeters
- Square Kilometers to Square Centimeters
- Square Kilometers to Square Meters
- Square Kilometers to Hectares
- Square Kilometers to Square Inches
- Square Kilometers to Square Feet
- Square Kilometers to Square Yards
- Square Kilometers to Cents
- Square Kilometers to Guntha
- Square Kilometers to Acres
Frequently asked questions
How many square miles are in one square kilometer?
One square kilometer equals 0.3861022 square miles.
How many square kilometers are in one square mile?
One square mile equals 2.589988 square kilometers.
How do I convert square kilometers to square miles?
Use the formula mi² = km² × 0.3861022. For example, 5 km² × 0.3861022 = 1.930511 mi².