# Metre per second

The **metre per second** is the unit of both speed (a scalar quantity) and velocity (a vector quantity, which has direction and magnitude) in the International System of Units (SI), equal to the speed of a body covering a distance of one metre in a time of one second.

Metre per second | |
---|---|

Unit system | SI |

Unit of | speed |

Symbol | m/s |

Conversions | |

1 m/s in ... | ... is equal to ... |

km/h | 3.6 |

mph | 2.2369 |

kn | 1.9438 |

ft/s | 3.2808 |

The SI unit symbols are **m/s**, **m·s ^{−1}**,

**m s**, or

^{−1}**m/s**.[1] Sometimes it is abbreviated as "mps".[2]