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Convert KM to Miles

Convert length units instantly: millimeters, centimeters, meters, kilometers, inches, feet, yards and miles.

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    Result

    This page opens the length converter preset to kilometers → miles. The international mile is exactly 1.609344 km, so one kilometer equals about 0.621371 miles — the tool divides by the exact factor, no rule-of-thumb approximations.

    Well-known distances make good checkpoints: a 5K run is 3.11 miles, a 10K is 6.21 miles, a half marathon (21.0975 km) is 13.11 miles and a full marathon (42.195 km) is 26.22 miles. A 100 km road trip is 62.14 miles.

    Runners comparing race distances, drivers reading foreign road signs and cyclists logging routes in mixed-unit apps use this conversion daily. Type kilometers and read miles instantly; the table under the result lists popular values so you rarely need to type at all.

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    Accepted Formats & Rules

    • Eight units: mm, cm, m, km, inches, feet, yards, miles.
    • Two-way live fields with one-click unit swap.
    • Common-values table that follows your selected units.

    Key Benefits

    ✓ Exact international conversion factors (1 inch = 2.54 cm by definition), so results are precise, not approximated.
    ✓ Live two-way conversion: type in either field and the other updates instantly, with a swap button for reverse lookups.
    ✓ Works fully offline in your browser — no server round-trips, no tracking of what you convert.

    Use Cases

    • • Convert your height from centimeters to feet and inches for international forms and profiles.
    • • Check the metric size of a TV or monitor diagonal listed in inches before buying.
    • • Translate race distances between kilometers and miles when planning runs or road trips.