Square Kilometer to Square Mile Converter

Convert square kilometers to square miles (km² to mi²) instantly with our free online converter. Accurate area conversion results for land measurement.

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mi²

How to convert square kilometers to square miles?

To convert square kilometers to square miles, you can use the following conversion factor: **1 mi² = 2.58998811 km²**. Simply multiply by 0.38610216 to get the equivalent area in square miles.

A(mi²) = A(km²) × 0.38610216

Example

Convert 100 km² to square miles:

A(mi²) = 100km² × 0.38610216 = 38.610216mi²

How many square miles in a square kilometer?

1 km² = 0.38610216 mi²

1 km² = 0.38610216 mi²

How many square kilometers in a square mile?

1 mi² = 2.58998811 km²

1 mi² = 2.58998811 km²

What is a Square Kilometer?

A square kilometer (km²) is a metric unit of area equal to 1,000,000 square meters or 100 hectares. It is commonly used to measure large land areas such as cities, regions, countries, and geographical features. One square kilometer equals approximately 0.386 square miles.

What is a Square Mile?

A square mile (mi²) is a unit of area in the imperial system equal to the area of a square with sides of one mile. It equals 640 acres or approximately 2.59 square kilometers. Square miles are commonly used to measure large land areas, particularly in the United States.

Popular square kilometer to square mile conversion table

Square Kilometers (km²)Square Miles (mi²)
0.01 km²0.003861 mi²
0.1 km²0.03861 mi²
1 km²0.386102 mi²
2 km²0.772204 mi²
5 km²1.930511 mi²
10 km²3.861022 mi²
20 km²7.722043 mi²
50 km²19.305108 mi²
100 km²38.610216 mi²
250 km²96.52554 mi²
500 km²193.051079 mi²
750 km²289.576619 mi²
1,000 km²386.102159 mi²
2,500 km²965.255396 mi²
5,000 km²1930.510793 mi²
10,000 km²3861.021585 mi²
25,000 km²9652.553964 mi²
50,000 km²19305.107927 mi²
75,000 km²28957.661891 mi²
100,000 km²38610.215854 mi²