Converting 5mm to Inches

Instructor: Mia Primas

Mia has taught math and science and has a Master's Degree in Secondary Teaching.

In this lesson, you will learn the steps and calculation for converting 5 millimeters (mm) to inches (in). The lesson will conclude with a discussion of situations where conversions from millimeters to inches may be useful.

Steps for Converting Millimeters to Inches

First we will go over the steps for converting millimeters to inches. You can use these steps to convert 5 mm to in and also to complete any other millimeter-to-inch conversion.

Step 1: Convert millimeters to centimeters

Step 2: Convert centimeters to inches

In order to convert from one unit to the other, we multiply by the conversion factor. The conversion factor is the ratio of the units set up as a fraction. The unit that we are converting to should be in the numerator. For example, when converting millimeters to centimeters, centimeters should be in the numerator of the fraction and millimeters should be in the denominator.

The following equivalent units will be used to convert millimeters to inches.

10 millimeters = 1 centimeter
2.54 centimeters = 1 inch

Converting 5 Millimeters to Inches

  • Step 1: Convert millimeters to centimeters


  • Step 2: Convert centimeters to inches


Therefore, 5 millimeters is equal to 0.197 inches.

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