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)

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
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

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