### Millimeter

**Definition:** A (mm) millimeter is a unit of length, it is a term of a meter as 1/1000

### Inch

**Definition:** A inch (in) is a unit of length, it is defined to be 25.4 millimeters and 12 inches in a foot, and 36 inches in a yard.

## How to convert millimeters to inches

1 millimeter is equal to 0.03937007874 inches:

1mm = (1/25.4)″ = 0.03937007874″

The distance *d* in inches (″) is equal to the distance *d* in millimeters (mm) divided by 25.4:

*d*_{(″)} = *d*_{(mm)} / 25.4

#### Example

Convert 20 mm to inches:

*d*_{(″)} = 20mm / 25.4 = 0.7874″

### How many inches in a millimeter

One millimeter is equal to 0.03937 inches:

1mm = 1mm / 25.4mm/in = 0.03937in

### How many millimeters in an inch

One inch is equal to 25.4 millimeters:

1in = 25.4mm/in × 1in = 25.4mm

### How to convert 10mm to inches

Divide 10 millimeters by 25.4 to get inches:

10mm = 10mm / 25.4mm/in = 0.3937in

## Millimeters to inches conversion table

The fraction inches are rounded to 1/64 resolution.

Millimeters (mm) | Inches (“) (decimal) |
Inches (“) (fraction) |
---|---|---|

0.01 mm | 0.0004 ″ | 0 ″ |

0.1 mm | 0.0039 ″ | 0 ″ |

1 mm | 0.0394 ″ | 3/64 ″ |

2 mm | 0.0787 ″ | 5/64 ″ |

3 mm | 0.1181 ″ | 1/8 ″ |

4 mm | 0.1575 ″ | 5/32 ″ |

5 mm | 0.1969 ″ | 13/64 ″ |

6 mm | 0.2362 ″ | 15/64 ″ |

7 mm | 0.2756 ″ | 9/32 ″ |

8 mm | 0.3150 ″ | 5/16 ″ |

9 mm | 0.3543 ″ | 23/64 ″ |

10 mm | 0.3937 ″ | 25/64 ″ |

20 mm | 0.7874 ″ | 25/32 ″ |

30 mm | 1.1811 ″ | 1 3/16 ″ |

40 mm | 1.5784 ″ | 1 37/64 ″ |

50 mm | 1.9685 ″ | 1 31/32 ″ |

60 mm | 2.3622 ″ | 2 23/64 ″ |

70 mm | 2.7559 ″ | 2 3/4 ″ |

80 mm | 3.1496 ″ | 3 5/32 ″ |

90 mm | 3.5433 ″ | 3 35/64 ″ |

100 mm | 3.9370 ″ | 3 15/16 ″ |

10 mm to inches 0.393701

10 mm to inches fraction ** 3/8 inch**

1 inch to mm 25.4

43 mm to inches 1.69291

20 mm to inches 0.787402

5 mm to inches 0.19685

13 mm to inches 0.511811

450 mm to inches 17.7165

100 mm to inches 3.93701

8 mm to inches 0.314961

30 mm to inches 1.1811

300 mm to inches 11.811

1 mm to inches = 0.03937 inches

10 mm to inches = 0.3937 inches

20 mm to inches = 0.7874 inches

30 mm to inches = 1.1811 inches

40 mm to inches = 1.5748 inches

50 mm to inches = 1.9685 inches

100 mm to inches = 3.93701 inches

200 mm to inches = 7.87402 inches

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