How many millimeter is one inch?

It can be done by this simple calculation:

1 inch = 2.54 cm or 25.400 mm

To convert 1 mm into inches divide 1 by 25.4 which will give you the answer i.e. 0.03937007874015748 inches

Therefore, 1 millimeter = 0.03937007874015748 inches.

To convert inches into millimeters all you have to do is totally the opposite, multiply the no.of inches by 25.4.

Algebraic Steps / Dimensional Analysis Formula 1 mm*

1 cm

10 mm

*

1 in

2.54 cm

=

0.03937007874 in

Direct Conversion Formula 1 mm*

1 in

25.4 mm

=

0.03937007874 in