# Inches to Millimeters Converter

Easily convert inches to millimeters using our online converter tool. Get accurate and instant results for your length conversions. Inches (in) are an imperial unit of length commonly used in the United States, while millimeters (mm) are a metric unit of length used worldwide. Our converter provides a convenient way to convert between these units, allowing you to easily calculate lengths in inches to millimeters.

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## What is Inches to Millimeters Converter

To convert inches (in) to millimeters (mm), you can use the following conversion factor:

1 inch = 25.4 millimeters

To convert inches to millimeters, multiply the number of inches by 25.4.

For example, let's convert 10 inches to millimeters:

Millimeters = 10 in * 25.4 = 254 mm

So, 10 inches is equal to 254 millimeters.

## 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