Convert Millimeters to Inches (mm to in)▶

## Conversion Table

inches to millimeters | |

in | mm |

1 in | 25.4 mm |

2 in | 50.8 mm |

3 in | 76.2 mm |

4 in | 101.6 mm |

5 in | 127 mm |

6 in | 152.4 mm |

7 in | 177.8 mm |

8 in | 203.2 mm |

9 in | 228.6 mm |

10 in | 254 mm |

11 in | 279.4 mm |

12 in | 304.8 mm |

13 in | 330.2 mm |

14 in | 355.6 mm |

15 in | 381 mm |

16 in | 406.4 mm |

17 in | 431.8 mm |

18 in | 457.2 mm |

19 in | 482.6 mm |

20 in | 508 mm |

## How to convert

1 inch (in) = 25.4 millimeter (mm). Inch (in) is a unit of Length used in Standard system. Millimeter (mm) is a unit of Length used in Metric system.

## Inch: A Unit of Length

The inch (in) is a unit of length used in the US customary system, which is one of the systems of measurement used in the United States and some other countries. The inch is equal to 1/12 of a foot or 2.54 centimeters. The inch is also a derived unit in the imperial system, which is the official system of measurement for the United Kingdom and some other Commonwealth countries. The symbol for inch is in or ″. The inch is used for measuring short distances and dimensions, such as the length of a nail or the width of a finger. The inch is named after the Latin word uncia, meaning one-twelfth. In this article, we will explore the definition, history, usage and conversion of the inch as a unit of length.## How to Convert Inch to Other Units of Length in the US Customary System

To convert inch to other units of length in the US customary system, we need to know the relationship between inch and other units. Here are some common units and their equivalent values in inches:

- 1 foot = 12 inches
- 1 yard = 36 inches
- 1 mile = 63,360 inches
- 1 mil = 0.001 inch

To convert inch to any of these units, we need to multiply or divide by the appropriate factor. For example, to convert 10 inches to feet, we need to divide by 12:

10 inches / 12 = 0.833 feet

To convert 10 inches to miles, we need to divide by 63,360:

10 inches / 63,360 = 0.000158 miles

To convert 10 inches to mils, we need to multiply by 1000:

10 inches x 1000 = 10,000 mils

## How to Convert Inch to Other Units of Length in the SI System

To convert inch to other units of length in the SI system, we need to know the relationship between inch and meter. One inch is equal to 0.0254 meters.

To convert inch to any other unit of length in the SI system, we need to multiply or divide by the appropriate power of ten and add a prefix. Here are some common units and their equivalent values in inches:

- 1 centimeter = 0.39370079 inches
- 1 millimeter = 0.039370079 inches
- 1 micrometer = 3.9370079 x 10
^{-5}inches

To convert inch to any of these units, we need to multiply by the appropriate factor and add a prefix. For example, to convert 10 inches to centimeters, we need to multiply by 2.54:

10 inches x 2.54 = 25.4 centimeters

## Millimeter: A Unit of Length

A millimeter is a unit of length in the metric system, which is based on the International System of Units (SI). It is defined as one thousandth of a meter, which is the SI base unit of length. One millimeter can be written as 1 mm or 0.001 m.## How to convert millimeter to other units of length

To convert millimeter to other units of length, we need to use conversion factors that relate the millimeter to the desired unit. For example, to convert millimeter to centimeter, we need to know that 1 cm = 10 mm, so we can divide the number of millimeters by 10 to get the number of centimeters. Similarly, to convert millimeter to inch, we need to know that 1 in = 25.4 mm, so we can divide the number of millimeters by 25.4 to get the number of inches.

Here are some common conversion factors for millimeter and other units of length in the US standard system and the SI system:

- 1 mm = 0.1 cm
- 1 mm = 0.03937 in
- 1 mm = 0.001 m
- 1 mm = 0.000001 km
- 1 mm = 0.00000062137 mi
- 1 mm = 0.00000053996 nmi

**millimetres**.

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