Square Kilometers to Square Miles

    Convert square kilometers to square miles for maps, territories, countries, parks, large land areas, and geographic statistics.

    From
    To
    1 km² = 0.386102 mi²1 mi² = 2.589988 km²
    1 km² in other units
    mm²
    1,000,000,000,000
    cm²
    10,000,000,000
    1,000,000
    ha
    100
    sotka
    10,000
    ac
    247.105381

    How to convert km² to mi²

    To convert a value from square kilometers (km²) to square miles (mi²), enter the number in the converter above. Use the swap control if you need the reverse direction.

    x is the source value in km²; y is the result in mi².

    Conversion factor
    Direct factor: 0.386102 mi² for 1 km². Reverse factor: 2.589988 km² for 1 mi².

    Popular conversions

    Quick answers for common km² to mi² values are available from the related conversion pages.

    Use the related tools section for fixed-value conversions and the reverse direction.

    Common conversion table

    Quick reference table for common km² to mi² values:

    km²mi²
    10.386102
    51.930511
    103.861022
    5019.305108
    10038.610216
    1,000386.102159

    About square kilometers

    Square kilometer (km²) — One square kilometer is the area of a square one kilometer on each side, or 1,000,000 square meters.

    Common uses: Square kilometers are used for maps, countries, regions, parks, watersheds, and large geographic or territory statistics.

    About square miles

    Square mile (mi²) — One square mile is the area of a square one mile on each side. It equals exactly 2.589988110336 square kilometers.

    Common uses: Square miles are used for maps, counties, cities, parks, countries, territories, and large land area statistics.

    Frequently Asked Questions

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