2.5 inches in mm

2.5 inches


63.5 millimeters

2.5 inches in mm

The conversion factor of inches (in) to millimeters (mm) is 25.4. If you want to determine the number of millimeters in inches, you simply multiply the value in inches by 25.4. The conversion calculator can also be used to perform more conversions as it uses the same formula to give quick and accurate results. The first procedure is to enter the value in inches (2.5) in the blank text field and then click on the ‘Convert’ button to initiate the conversion.

To determine how many inches are in 2.5inches, it is important to determine the number of inches that make up one centimeter.

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

Multiply the value in inches by 25.4 to determine the value in millimeters.

2.5 inches in mm

2.5 inches in mm Conversion


How to convert 2.5 inches to millimeters

Since 1 inch is equal to 25.4 millimeters, how many millimeters are there in 2.5 inches?

If 1 inch = 25.4 millimeters,

2.5 inch =? Millimeters

= (2.5 x 25.4) millimeters

= 63.5 millimeters

This implies that there are 63.5 millimeters in 2.5 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.

2.5 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.