# Convert Miles Per Hour to Kilometers Per Second

## Learn How to Convert Miles Per Hour to Kilometers Per Second Using our Conversion Formula

Converting a mile per hour speed measurement to a kilometer per second measurement involves multiplying your speed by the conversion ratio to find the result. A mile per hour is equal to 0.000447 kilometers per second, so to convert simply multiply by 0.000447.

For example, 5mph = (5 × 0.000447) = 0.002235km/sec.

Miles per hour and kilometers per second are both units used to measure speed. Learn more about speed and
find more speed measurement conversion calculators.
A mile per hour is an imperial measurement and can be abbreviated as *mph*, for example 1mph.
A kilometer per second is a metric measurement and can be abbreviated as *km/sec*, for example 1km/sec.
Learn more about the metric system, including the common unit prefixes and how to convert between metric units.

## More Speed Conversions

- Convert to Knots Speed
- 1mph is equal to 0.868976 knots
- Convert to Mach Speed
- 1mph is equal to 0.001303 mach
- Convert to Speed Of Sound Speed
- 1mph is equal to 0.001303 speed of sound
- Convert to Feet Per Second Speed
- 1mph is equal to 1.466667 feet per second
- Convert to Kilometers Per Hour Speed
- 1mph is equal to 1.609344 kilometers per hour
- Convert to Meters Per Second Speed
- 1mph is equal to 0.44704 meters per second
- Convert to Centimeters Per Second Speed
- 1mph is equal to 44.704 centimeters per second

## Mile Per Hour Measurements and Equivalent Kilometer Per Second Conversions

Miles Per Hour | Kilometers Per Second | Miles Per Hour | Kilometers Per Second | Miles Per Hour | Kilometers Per Second |
---|---|---|---|---|---|

1 | 0.000447 | 21 | 0.009388 | 41 | 0.018329 |

2 | 0.000894 | 22 | 0.009835 | 42 | 0.018776 |

3 | 0.001341 | 23 | 0.010282 | 43 | 0.019223 |

4 | 0.001788 | 24 | 0.010729 | 44 | 0.01967 |

5 | 0.002235 | 25 | 0.011176 | 45 | 0.020117 |

6 | 0.002682 | 26 | 0.011623 | 46 | 0.020564 |

7 | 0.003129 | 27 | 0.01207 | 47 | 0.021011 |

8 | 0.003576 | 28 | 0.012517 | 48 | 0.021458 |

9 | 0.004023 | 29 | 0.012964 | 49 | 0.021905 |

10 | 0.00447 | 30 | 0.013411 | 50 | 0.022352 |

11 | 0.004917 | 31 | 0.013858 | 51 | 0.022799 |

12 | 0.005364 | 32 | 0.014305 | 52 | 0.023246 |

13 | 0.005812 | 33 | 0.014752 | 53 | 0.023693 |

14 | 0.006259 | 34 | 0.015199 | 54 | 0.02414 |

15 | 0.006706 | 35 | 0.015646 | 55 | 0.024587 |

16 | 0.007153 | 36 | 0.016093 | 56 | 0.025034 |

17 | 0.0076 | 37 | 0.01654 | 57 | 0.025481 |

18 | 0.008047 | 38 | 0.016988 | 58 | 0.025928 |

19 | 0.008494 | 39 | 0.017435 | 59 | 0.026375 |

20 | 0.008941 | 40 | 0.017882 | 60 | 0.026822 |