mm to Inches Conversion

Created by Gabriela Diaz
Reviewed by Komal Rafay
Last updated: May 04, 2023

This mm to inches conversion tool helps you determine a distance in inches from a known distance in millimeters. This handy tool simplifies the conversion process, allowing you to quickly and accurately convert any length in millimeters to its equivalent in inches and vice versa! 😀

We've also included an accompanying text where you can learn:

  • How to convert millimeters to inches on your own;
  • How to use this mm to inches converter; and
  • Some in to mm conversion examples.

How to convert millimeters to inches?

To convert millimeters to inches, follow these steps:

  1. Consider the conversion factor of 25.4 mm = 1 in.

  2. Divide the distance in millimeters by 25.4 mm/in to obtain the equivalent distance in inches.

  3. Round the result to the desired number of decimal places.

  4. That's it! You now have the value in inches.

Don't have time to do the conversion yourself? You can always use Omni's mm to inches conversion tool. With this tool, you can quickly and easily convert between millimeters and inches in a blink of an eye.

For instance, if you want to convert 210 mm into inches, just divide this value by 25.4 mm/in, and you'll obtain that 210 mm equals 8.268 in.

How to use this mm to inches converter

Using this mm to inches converter is simple and easy. Just follow these steps:

  1. Enter the distance in millimeters that you want to convert.

  2. The calculator will then display the equivalent distance in inches.

  3. That's all! You now have your converted value in inches. 😎

🙋 Do you need to convert inches to millimeters instead? No worries. This tool works in both directions, so you can also use it as an inches to millimeters converter.

More length conversion tools

If you enjoyed using and learning with our mm to inches conversion tool, then we have great news for you! At Omni, we have lots more length-conversion tools. Take a look:


How many millimeters are in 1.5 inches?

There are 38.1 mm in 1.5 in. If you want to convert 1.5 inches into millimeters, follow these steps:

  1. Remember the inches to millimeters conversion factor of 1 in = 25.4 mm.

  2. Multiply 1.5 inches by this factor:
    1.5 in × (25.4 mm/in) = 38.1 mm

  3. You now know that 1.5 inches are equivalent to 38.1 mm.

Is 2 mm half an inch?

No, actually, 2 mm is equivalent to 0.07874 in. How can you get this value? Follow these steps:

  1. Keep in mind the millimeters to inches conversion factor of 25.4 mm = 1 in.

  2. Use this factor to convert 2 mm into inches:

    2 mm × (1 in / 25.4 mm) = 0.07874 in

By using this same conversion factor, we can check how many millimeters are in half an inch:

0.5 in × (25.4 mm/in) = 12.7 mm

As you can see, 2 mm is not equal to half of an inch.

Gabriela Diaz
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