UnitFlip

Kilometers to Miles Converter

1 kilometer ≈ 0.621371192 miles

From
To
Result

1 kilometer equals 0.621371 miles

How to convert kilometers to miles

Feet, inches, yards and miles use the international foot (0.3048 m). Older US survey-foot records use a different definition; check the survey document before applying these factors.

Formula
mi = km × 0.6213711922

One kilometer is 0.6213711922 miles, so a single multiplication converts any value.

Example
6.21371 mi ≈ 10 × 0.6213711922

Kilometers to miles conversion table

Common values in kilometers, converted to miles.

Kilometers converted to miles
Kilometers (km)Miles (mi)
10.62137119
21.2427424
31.8641136
42.4854848
53.106856
106.2137119
2012.427424
2515.53428
5031.06856
10062.137119
250155.3428
500310.6856
1,000621.37119

About these units

kilometerkm

One thousand metres. The standard unit for road distance in most of the world.

milemi

The statute mile: exactly 5,280 feet, or 1,609.344 metres.

Reference: International Yard and Pound Agreement (1959).

Sources and precision

Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.

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