# Inches to Millimeters Converter

Do you have to make a length conversion from inches to millimeters and are looking for an online tool to make this length conversion? Then this page will put an end to your search as we have a perfect and errorless online converter for you. Here you can easily change inches directly into millimeters with a one-click conversion setup.

Type the value of inches (in) and click/tap the 'convert' button:

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## How to convert inches to millimeters

1 inch is equal to 25.4 millimeters:

1″ = 25.4mm

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

d(mm) = d(inch) × 25.4

#### Example

Convert 20 inches to millimeters:

d(mm) = 20″ × 25.4 = 508mm

### 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 10 inches to millimeterss

Multiply 10 inches by 25.4 to get millimeters:

10in = 25.4mm/in × 10in = 254mm

## 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

You may find thousands of online tools for the interconversion of various units of lengths but this platform is the best of all. This website not just provides converters for all sorts of units but also guarantees 100% accuracy. This page has a conversion tool that let you change inches into millimeters with just one click. This converter hardly takes a second for each conversion and one can perform as many conversions as he/she needs. Just provide the value in inches and click the convert button to change the given inches into millimeters. You can press the 'swap' button for millimeters to inches conversion.

### Formula

This converter multiplies the given inches by 25.4 as one inch is equal to 25.4 millimeters.

Mathimatical denotion of formula is;                     d(mm) = d(inch) × 25.4

### Inch

An inch is the 1/12th part of the foot and is denoted by ( ″ ) or ( in ).

### Millimeter

The millimeter is 1/1000th part of a meter and an SI unit for measuring smaller lengths and distances. It is symbolized as 'mm'.

Do inch & mm belong to SI system of units?

A millimeter is an SI unit while an inch is not an SI unit rather it is a customary unit and belongs to the British Imperial system of measurements. Inch is also used as a length unit in US Customary system of measurements.