MM to Inches Converter

Convert millimeters to inches instantly with our free online tool

Millimeters to Inches Conversion

Our free online tool provides instant conversion between millimeters and inches, two of the most commonly used units of length in engineering, construction, and everyday measurements.

How to Use the Converter

  1. Enter the measurement in millimeters (mm) in the input field
  2. Click the "Convert to Inches" button
  3. View the converted measurement in inches (in)

Conversion Formula

The conversion between millimeters and inches is based on the following formula:

1 millimeter = 0.0393701 inches

To convert millimeters to inches, multiply the millimeter value by 0.0393701.

For example: 100 mm × 0.0393701 = 3.93701 inches

Common MM to Inches Conversions

Millimeters (mm) Inches (in)
1 mm 0.03937 in
5 mm 0.19685 in
10 mm 0.39370 in
25 mm 0.98425 in
50 mm 1.96850 in
100 mm 3.93701 in
500 mm 19.68504 in
1000 mm 39.37008 in

About Millimeters and Inches

Millimeter (mm): A millimeter is a metric unit of length equal to one thousandth of a meter. It's commonly used in engineering, manufacturing, and scientific applications where precision is important.

Inch (in): An inch is an imperial and US customary unit of length, equal to exactly 25.4 millimeters. Inches are widely used in the United States, Canada, and the United Kingdom for many everyday measurements.

Applications of MM to Inches Conversion

Frequently Asked Questions

How many inches are in a millimeter?

There are approximately 0.03937 inches in one millimeter.

How do you convert 10mm to inches?

10 millimeters is equal to 0.3937 inches (10 × 0.03937 = 0.3937).

Is 25mm equal to 1 inch?

No, 25mm is approximately 0.984 inches. One inch is exactly 25.4 millimeters.

Why is accurate conversion important?

Precise conversion between measurement systems is crucial in fields like engineering and manufacturing where small discrepancies can lead to significant problems in final products or constructions.