Convert Fractional Inch to mm

Enter the length in fractional inch below to convert to millimeters, or mm to inches, inches to mm

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Convert to mm

Fractional Inch to mm Formula

Millimeters = (Whole Number + (Inch Nnumerator / Inch Denominator)) * 25.4

How to Convert Fractional Inch to mm?

There are many situations in our daily life where we need to convert fractional inches to millimeters, especially when dealing with home renovation projects, cooking, support, mathematical fields, DIY projects, sewing and fabric crafts. Conversion of fractional inches to millimeters seems a bit complicated, but we will make it easy to understand here. First, we convert the fraction to a decimal.

For example, let's say you have a situation where you want to convert 5/16 inches to millimeters, convert 5/16 to a decimal number which is 0.3125. Then multiply that decimal number by 25.4, here we get 7.9375 millimeters in 5/16 inches. For any other fractional inch we just need to follow these steps.

What is Inch?

An inch is a unit of length commonly used in the Imperial system of measurement, primarily in the United States, United Kingdom, and a few other countries. The symbol used to denote it is "in" or double quotes (").

A fractional inch represents a specific number of equal parts of an inch.

What is Millimeter?

A millimeter (mm) is a small unit of Displacement (length/distance) in the metric system. equals to one thousandth of a meter. It's used throughout the world in the sciences and is the standard of measurement for science engineering, mathematics and technology.

Fractional Inch to Millimeters Conversion Table