*1 INCH = 25.4 MM*

## IN – Inches Definition

An inch is a unit of length in the imperial and United States customary measurement systems. It is equal to 1/12 of a foot and approximately 2.54 centimeters. Inches are commonly used in the United States, the United Kingdom, and Canada for measuring objects’ length, width, and height. It can be abbreviated as “in”.

## MM – Millimeter Definition

A millimeter (mm) is a unit of length in the metric system. It is equal to one-thousandth of a meter, the base unit of length in the International System of Units (SI). Millimeters are commonly used in many countries worldwide to measure objects’ length, width, and thickness. It can be abbreviated as “mm.” It is also often used in engineering and scientific fields to express small measurements. It is smaller than Centimeter.

## Inches to Millimeters Formula

The formula to convert inches to millimeters is: mm = inches x 25.4

### Convert Inches to MM

To convert inches to millimeters (mm), you can use the conversion factor 1 inch = 25.4 millimeters.

You can multiply the number of inches by 25.4 to get the equivalent measurement in millimeters.

For example,

- 2 inches = 2 x 25.4 = 50.8 millimeters
- 3 inches = 3 x 25.4 = 76.2 millimeters
- 4 inches = 4 x 25.4 = 101.6 millimeters

You can also use a calculator or an online conversion tool to convert inches to millimeters.

1 inch |
0.083 feet |

1 inch |
2.54 cm |

1 inch |
0.0254 m |

1 inch |
0.028 yard |

1 inch |
6.45 sq. cm |

### 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 Many Inch to MM

1 inch is equal to 25.4 millimeters (mm). Therefore, you can convert inches to millimeters by multiplying the number of inches by 25.4. For example, 2 inches equals 50.8 millimeters (2 x 25.4 = 50.8 mm).

How to Convert Inches to mm – You can convert millimeters to inches by dividing the millimeters by 25.4. For example, 50 millimeters is equal to 1.968503937 inches (50 / 25.4 = 1.968503937 inches)

Inches | MM |

10 Inches is equal to 10*25.400 | 254.00 MM |

20 Inches is equal to 20*25.400 | 508.00 MM |

50 Inches is equal to 50*25.400 | 1270.00 MM |

75 Inches is equal to 75*25.400 | 1905.00 MM |

100 Inches is equal to 100*25.400 | 2540.00 MM |

150 Inches is equal to 150*25.400 | 3810.00 MM |

200 Inches is equal to 200*25.400 | 5080.00 MM |

500 Inches is equal to 500*25.400 | 12700.00 MM |

1000 Inches is equal to 1000*25.400 | 25400.00 MM |

Some Most Popular IN to MM Conversion

1/4 Inch to MM = 35.56

1 Inch to MM = 25.4

1/8 Inch to MM = 45.72

1/2 Inch to MM = 30.48

3/8 Inch to MM = 96.52

## FAQ

**What is 1 inch equal to in mm?**

25.4 mm

**What is a 5 by 7 in mm?**

127 x 178 mm

**What size is 3 inch in mm?**

76.2 mm

**How long is 5 mm?**

3/16 inch

**How many cm are 1 inches?**

2.54 centimeters

**How many inches is 1 metric?**

39.3700787 inches

**What size is 20mm in inches?**

20 mm = 0.78740 Inches

**Is 25 mm the same as 1 inch?**

1 inch is equal to 25.4 millimeters

**Is 100 mm the same as 4 inches?**

100 mm is 3.93 inches

## Inches to millimeters conversion table

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

0.01 ″ | 0.254000 mm |

1/64 ″ | 0.396875 mm |

1/32 ″ | 0.793750 mm |

1/16 ″ | 1.587500 mm |

0.1 ″ | 2.540000 mm |

1/8 ″ | 3.175 mm |

1/4 ″ | 6.35 mm |

1/2 ″ | 12.7 mm |

1 ″ | 25.4 mm |

2 ″ | 50.8 mm |

3 ″ | 76.2 mm |

4 ″ | 101.6 mm |

5 ″ | 127.0 mm |

6 ″ | 152.4 mm |

7 ″ | 177.8 mm |

8 ″ | 203.2 mm |

9 ″ | 228.6 mm |

10 ″ | 254.0 mm |

20 ″ | 508.0 mm |

30 ″ | 762.0 mm |

40 ″ | 1016.0 mm |

50 ″ | 1270.0 mm |

60 ″ | 1524.0 mm |

70 ″ | 1778.0 mm |

80 ″ | 2032.0 mm |

90 ″ | 2286.0 mm |

100 ″ | 2540.0 mm |