Converters

Square Kilometers to Square Miles Converter

Convert square kilometers to square miles instantly. 1 square kilometer = 0.386102 square miles.

From

0.386102

1 km² = 0.386102 mi²

Common conversions

From 1 square kilometers

Square Meters (m²)1000000
Square Centimeters (cm²)1.0000e+10
Square Feet (ft²)10763900
Square Yards (yd²)1195990
Square Inches (in²)1.5500e+9
Square Miles (mi²)0.386102
Acres (ac)247.105
Hectares (ha)100

Popular area conversions

Square Meters → Square Feet Square Feet → Square Meters Acres → Hectares Hectares → Acres Square Kilometers → Square Miles Square Miles → Square Kilometers Square Feet → Acres Square Meters → Square Yards

Method

How it works

Square Miles = Square Kilometers × 0.3861021585

Multiply the number of square kilometers by 0.3861021585 to get square miles. To go back, multiply by 2.58998811. Examples: 1 km² = 0.386102 mi² · 5 km² = 1.93051 mi² · 10 km² = 3.86102 mi² · 100 km² = 38.6102 mi².

FAQ

Frequently asked

How many square miles are in a square kilometer?

1 square kilometer = 0.386102 square miles.

What is the formula to convert square kilometers to square miles?

Square Miles = Square Kilometers × 0.3861021585

Is this conversion exact?

The conversion factor between square kilometers and square miles is defined by international standards and is exact to at least 10 significant figures here.

Can I convert in the opposite direction?

Yes — use our Square Miles to Square Kilometers converter, or multiply your value by 2.58998811.