1/8 inch to mm

1/8 inch


3.175 millimeters

1/8 inch to mm

The Inches to millimeters conversion calculator is used to convert the length measurements from inches (in) to millimeters (mm). First, enter 1/8 mm in the blank text field and then click the ‘Convert’ button to initiate the conversion.  The values entered in the blank text field determine the results of the conversion.

To convert 1/8 inches to millimeters, it is important to determine the number of millimeters that are equivalent to one inch.

How many millimeters in one inch?

This converter uses a simple formula in converting inches to millimeters.

 1 inch = 25.4 millimeters

This means that there are 25.4 millimeters in one inch. It can also be converted into decimals and shown as;

1 inch = (25.4) millimeters

D (mm) = D (inches) x 25.4

Therefore, to determine the distance in inches, you will multiply the value by 25.4.

1/8 Inches to Millimeters


How to convert 1/8 inches to millimeters

Since 1 inch is equal to 25.4 millimeters, how many millimeters are there in 1/8 inches?

If 1 inch = 25.4 millimeters,

1/8 inch =? Millimeters

= (1/8 x 25.4) millimeters

= 3.175 millimeters

This implies that there are 3.175 millimeters in 1/8 Inches.

You can still use the conversion calculator to perform more calculations using different values. The ‘Reset’ button is used to erase all information of the previous calculations to create a new platform for other calculations. It can only perform a single conversion at a time.1/8 mm to inches can also be determined using the Inches to Millimeter conversion table. It gives the conversion results of inches to millimeters based on a range of 0.01inches to 100inches.



It is a US customary and imperial measurement system that is used widely and is abbreviated as (in) or using the symbol (“) - double prime.


Millimeter is a length unit in metric measurements, abbreviated as “mm”. It is often used in measuring small distances in the fields of machining or engineering.