Converting square miles to square kilometers (mi² to km²) Area converters
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Converting square miles to square kilometers (mi² to km²)

Converting square miles to square kilometers

Use this calculator to convert area from square miles (mi²) to square kilometers (km²).

Conversion factor
1 mi² = 2.58998811 km²

To convert, multiply the area in square miles by 2.58998811.

Table of values

mi² km²
1 2.589988
5 12.949941
10 25.899881
20 51.799762
50 129.499406
100 258.998811

Help

square mile:A square mile is a large unit of area equal to 640 acres.

square kilometer:A square kilometer is equal to 1 million square meters. Used to measure the area of cities and countries.

Questions and answers

How many square kilometers are in 1 mi²?
Answer: 2.58998811.

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