# How can I go 100 miles an hour safely

## Conversion of kilometers per hour (km / h) to miles per hour (mph)

Everyone in Germany knows the speed unit km / h, i.e. kilometers per hour. This unit is the standard for speed information in traffic, because distances are usually given in kilometers and time in hours. However, if you are traveling in the USA, you will always encounter the mile as a unit. One mile is exactly 1,609.344 meters. The speed miles / hour is then also defined with this unit of length. You can't always calculate this in your head. Please use our converter to calculate km / h to mph, have fun:

### Basics for converting kilometers per hour (km / h) to miles per hour (mph)

The mile is a unit of length that is used in the USA and the United Kingdom (including Australia, New Zealand and Ireland). One mile is exactly 1,609.344 meters. Feel free to use our mile to kilometer converter to get a feel for the unit of length. There is hardly any need to describe kilometers per hour. Just the "h" in "km / h" could be explained, which is of course the sign for hours or "hour" in English.

### Formulas for converting between km / h and mph

If you are calculating between kilometers per hour and miles per hour, you will now find the formulas for both starting values.

Determine number of km / h from mph:**mph / 0.62137**

Determine number of mph from km / h:**km / h * 0.62137**

### Summary table: How many miles per hour (mph) are how many km / h:

mph | Km / h |
---|---|

1 mph => | 1.61 km / h |

10 mph => | 16.09 km / h |

30 mph => | 48.27 km / h |

50 mph => | 80.45 km / h |

70 mph => | 112.65 km / h |

90 mph => | 144.84 km / h |

100 mph => | 160.90 km / h |

110 mph => | 177.03 km / h |

120 mph => | 193.08 km / h |

### Summary table: How many kilometers per hour (km / h) are how many miles per hour (mph):

km / h | mph |
---|---|

1 km / h => | 0.62 mph |

10 km / h => | 6.21 mph |

30 km / h => | 18.64 mph |

50 km / h => | 31.06 mph |

70 km / h => | 43.49 mph |

90 km / h => | 55.92 mph |

100 km / h => | 62.13 mph |

120 km / h => | 74.56 mph |

140 km / h => | 86.99 mph |

160 km / h => | 99.41 mph |

180 km / h => | 111.84 mph |

200 km / h => | 14.27 mph |

### References

In particular, we used the information from the following sources for the topic "speeds":

### Last update on April 14th, 2021

The pages of the theme world "speeds" were last editorially checked on April 14th, 2021 by Stefan Banse. They are all up to date.

### Previous changes on 11/10/2020

- 11/10/2020: Expansion of the topic area converting speeds to include numerous information center articles.
- Editorial revision of all texts in this subject area

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