# Millimeters to Inches Converter

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## How many inches are in 1 mm?

**1mm = 0.03937008 inches**. To convert mm to inches you should divide your figure by 25.4.

### Millimeters to inches conversion in fraction form

Our converter allows you to show results as fractions in 1/16, 1/32 and 1/64 inch for millimeter to inch conversions. It is important to note that when you choose this option, the converter will round (up or down) and give you a remainder figure (the difference between the fraction and the full result). For this reason, the fraction result will be slightly smaller or slightly larger.

## How many mm in an inch?

**1 inch = 25.4mm**. To convert inches to millimeters multiply your figure by 25.4. The chart below shows some example conversions, rounded to a maximum of 4 decimal places. Should you wish to convert between
centimeters and inches, give the cm to inches converter a try.

### How many mm in an inch and a half?

**1 1/2 inches = 38.1 mm**. To make this calculation, we simply multiply: 25.4 × 1.5.

## Millimeters and inches conversion charts

The chart below shows the conversion between millimeters and inches, rounded to a maximum of 4 decimal places (first table) and 3 decimal places (second table).

Millimeters | Inches (decimal) | Inches (fraction approx) | |
---|---|---|---|

1mm | 0.0394 in | 1/32 inch | |

10mm | 0.3937 in | 25/64 | |

20mm | 0.7874 in | 25/32 | |

30mm | 1.1811 in | 1 3/16 | |

40mm | 1.5748 in | 1 37/64 | |

50mm | 1.9685 in | 1 31/32 | |

60mm | 2.3622 in | 2 23/64 | |

70mm | 2.7559 in | 2 3/4 | |

80mm | 3.1496 in | 3 5/32 | |

90mm | 3.5433 in | 3 35/64 | |

100mm | 3.937 in | 3 15/16 | |

Note: fraction figures for inches are approximate. |

Inches | Millimeters | Inches | Millimeters |
---|---|---|---|

1/64 inch | 0.397 mm | 1/32 inch | 0.794 mm |

1/16 inch | 1.588 mm | 0.1 inch | 2.54 mm |

1/8 inch | 3.175 mm | 1/4 inch | 6.35 mm |

1/2 inch | 12.7 mm | 3/4 inch | 19.05 mm |

1 inch | 25.4 mm | 5 inches | 127 mm |

10 inches | 254 mm | 20 inches | 508 mm |

30 inches | 762 mm | 40 inches | 1016 mm |

50 inches | 1270 mm | 60 inches | 1524 mm |

70 inches | 1778 mm | 80 inches | 2032 mm |

90 inches | 2286 mm | 100 inches | 2540 mm |

Note: conversions are rounded to maximum 3 decimal places. |

My conversion tool can help you convert between millimeters and inches. Should you wish to convert between centimeters and inches, give the cm and inches converter a try. For any other units of height, you may wish to use the height calculator here.