# Km To Miles Converter (Kilometers To Miles)

Enter the length in kilometers below to get the value converted to miles.

**Results in Miles:**

## How to Convert Kilometers to Miles

The fastest and easiest way to convert km (kilometers) to miles is use this simple formula:

The distance in miles is equal to the distance in kilometers multiplied by 0.621371.
Since one kilometer is equal to 0.621371 miles^{[1]}, that's the conversion ratio used in the formula.

**For example,** here's how to convert 10 kilometers to miles using the formula above.

10 km = (10 × 0.621371) = 6.21371 mi

Thus, if you're running a 10k, the distance is actually 6.21371 miles.

Kilometers and miles are both units used to measure distance or length. Keep reading to learn more about each unit of measure.

## What is a Kilometer?

One kilometer is equal to 1,000 meters, which are defined as the distance light travels in a vacuum in a ^{1}/_{299,792,458} second time interval.^{[2]}

The kilometer, or kilometre, is a multiple of the meter, which is the SI base unit for length. In the metric system, "kilo" is the prefix for 10^{3}. Kilometers can be abbreviated as *km*; for example, 1 kilometer can be written as 1 km.

## What is a Mile?

The mile is a linear measurement of length equal to exactly 1,609.344 meters. One mile is also equal to 5,280 feet or 1,760 yards.

The mile is a US customary and imperial unit of length. Miles can be abbreviated as *mi*, and are also sometimes abbreviated as *m*. For example, 1 mile can be written as 1 mi or 1 m.

## Kilometer to Mile Conversion Table

Kilometers | Miles |
---|---|

1 km | 0.621371 mi |

2 km | 1.2427 mi |

3 km | 1.8641 mi |

4 km | 2.4855 mi |

5 km | 3.1069 mi |

6 km | 3.7282 mi |

7 km | 4.3496 mi |

8 km | 4.971 mi |

9 km | 5.5923 mi |

10 km | 6.2137 mi |

11 km | 6.8351 mi |

12 km | 7.4565 mi |

13 km | 8.0778 mi |

14 km | 8.6992 mi |

15 km | 9.3206 mi |

16 km | 9.9419 mi |

17 km | 10.56 mi |

18 km | 11.18 mi |

19 km | 11.81 mi |

20 km | 12.43 mi |

21 km | 13.05 mi |

22 km | 13.67 mi |

23 km | 14.29 mi |

24 km | 14.91 mi |

25 km | 15.53 mi |

26 km | 16.16 mi |

27 km | 16.78 mi |

28 km | 17.4 mi |

29 km | 18.02 mi |

30 km | 18.64 mi |

31 km | 19.26 mi |

32 km | 19.88 mi |

33 km | 20.51 mi |

34 km | 21.13 mi |

35 km | 21.75 mi |

36 km | 22.37 mi |

37 km | 22.99 mi |

38 km | 23.61 mi |

39 km | 24.23 mi |

40 km | 24.85 mi |

## References

- Wisconsin Department of Transportation, 2019 Standard Specifications, https://wisconsindot.gov/rdwy/stndspec/ss-99-30.pdf
- Ambler Thompson and Barry N. Taylor, Guide for the Use of the International System of Units (SI),
*National Institute of Standards and Technology*, https://physics.nist.gov/cuu/pdf/sp811.pdf