Convert inches to milimeters

With this tool you can convert inches to milimeters easily and free. Discover how many milimeters are a number of inches.

Convert inches to milimeters

How many inches there are in a milimeter

1 in is 25.4 milimeters.

To calculate how to convert inches to milimeters you can multiply the number 25.4 times. For example, 25 inches would be 25 x 25.4 = 635 milimeters.

Or you can use our free inches to milimeters converter :)