Square Kilometers to Square Miles

Convert square kilometers (km²) to square miles (mi²) with formulas, examples, and conversion tables.

km²
mi²
1 square kilometers (km²) = 0.386102158593 square miles (mi²)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 square mile = 2.58998811 square kilometers
2Divide the value by the conversion factor:
1 ÷ 2.58998811 = 0.386102158593
3Result:
1 square kilometers (km²) = 0.386102158593 square miles (mi²)
↔ Square Miles to Square Kilometers

How to Convert square kilometers to square miles

To convert square kilometers to square miles, divide the value by 2.58998811.

The Formula

square miles = square kilometers ÷ 2.58998811

Key Fact

1 square mile = 2.58998811 square kilometers

Tip: To convert square miles back to square kilometers, multiply by 2.58998811.

square kilometers to square miles Table

square kilometerssquare miles
1 km²0.386102158593 mi²
2 km²0.772204317185 mi²
5 km²1.93051079296 mi²
10 km²3.86102158593 mi²
20 km²7.72204317185 mi²
25 km²9.65255396481 mi²
50 km²19.3051079296 mi²
100 km²38.6102158593 mi²
250 km²96.5255396481 mi²
500 km²193.051079296 mi²
1000 km²386.102158593 mi²

1 square kilometer in Other Units

Unit1 km² =
Square Kilometers to Hectares100 ha
Square Kilometers to Square Meters1000000 m²
Square Kilometers to Square Centimeters1e10 cm²
Square Kilometers to Square Millimeters1e12 mm²
Square Kilometers to Square Miles0.386102158593 mi²
Square Kilometers to Acres247.105163015 ac
Square Kilometers to Square Yards1195990.56124 yd²
Square Kilometers to Square Feet10763915.0512 ft²
Square Kilometers to Square Inches1.55000310001e9 in²
Square Kilometers to Ares10000 a
Square Kilometers to Barns1e34 b

Related Conversions

Square Meters to Square FeetSquare Feet to Square MetersAcres to HectaresHectares to AcresAcres to Square MetersSquare Meters to AcresSquare Miles to Square KilometersSquare Feet to Square InchesSquare Inches to Square FeetHectares to Square Meters