Using this tool you can convert inches to millimetres online.

1 inch is equal to **25.4 millimetres**.

1 inch can be divided into following parts: **25 millimetres**, **400 micrometres**.

`1in = 25mm 400µm`

Calculation steps derived from formula and a value you have entered:

You get **an exact** amount of millimetres **by multiplying value in inches by 25.4**.

You get **an approximate** amount of millimetres **by dividing value in inches by 0.0393701**.

Inches | Millimetres |
---|---|

0.01 | 0.254 |

0.1 | 2.54 |

1 | 25.4 |

2 | 50.8 |

3 | 76.2 |

4 | 101.6 |

5 | 127 |

6 | 152.4 |

7 | 177.8 |

8 | 203.2 |

9 | 228.6 |

10 | 254 |

20 | 508 |

30 | 762 |

40 | 1016 |

50 | 1270 |

60 | 1524 |

70 | 1778 |

80 | 2032 |

90 | 2286 |

100 | 2540 |

1000 | 25400 |

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