This article will show you how to convert 1 inch into millimeters.

**There are 25.4 millimeters in 1 inch.**

In order to find out how many millimeters are in a certain number of inches, you would need to multiply the number of inches by 25.4.

There are 25.4 millimeters in 1 inch, so multiplying any number of inches by 25.4 will give you the answer in millimeters.

The formula is:

# of millimeters = # of inches x 25.4

**For example, if you want to know how many millimeters are in 20 inches, multiply 20 by 25.4.**

The answer, which is 508, tells you that there are that many inches in 20 inches.

If you want to reverse the question and figure out how many inches can be made from a certain number of millimeters, you would divide the number of millimeters by 25.4.

**For example, if you have 200 millimeters, you can divide it by 25.4 to get** **7.874 inches.**

This means that there are 7.84 inches in 200 millimeters.

If you don’t feel like doing the math, use our online conversion calculator below to convert different units of measurements.

## Inches into millimeters conversion calculator

Use the following calculator to easily convert inches into mm. Simply type in the desired value and select inches in the convert from box and millimeters in the convert to box. The calculator will instantly do the math for you.

Check out all our conversion calculators here.

You can also use the following table to convert millimeters into inches.

You can also convert 1 inch into other units of measurements.

- 1 inch = 2.54 centimeters
- 1 inch = 0.083 feet
- 1 inch = 0.254 decimeters

Other articles on our site using millimeters and inches include:

## Millimeters Measurement

A millimeter is a metric unit of length, which is a general scale of measurement used around the world.

It is equal to one-thousandth of a meter and equal to 0.03937 inches.

## Inches Measurement

An inch is a unit of linear measure equal to one-twelfth of a foot (2.54 cm).

Inch or inches is a length unit of measurement. It is used in the USA as a customary and Imperial unit of length.

Many people will abbreviate the word inch as *in. *For example, 1 inch may be written as 1 *in*. It can also be denoted by using the double prime symbol *“*, for example, 1 inch can be written as 1″.

1 inch is also equal to 1⁄36 yard or 1⁄12 foot.

## Summary

You now know how many millimeters are in 1 inch and you should be able to convert 1 inch into millimeters easily. Feel free to share our page on social media and save our website in your bookmarks for easy and quick reference.

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