Millimeters mm to inches conversion

With the tool on the page, you can automatically translate between millimeters (mm) and inches, which resizes the length. The conversion process you will make works automatically based on the mm inch conversion formula. To perform the conversion, simply enter the value you want in the box below and press the “Convert” button. The result will appear immediately below.

Millimeters to inches conversion

  • Millimeters
  • mm
  • Inches

How to convert millimeter to inch E

1 millimeter equals 0.03937007874 inches:

1mm = (1/25.4)″ = 0.03937007874″

Distance d in inches (″) equals distance d in millimeters (mm) divided by 25.4:

d(″) = d(mm) / 25.4

Example

Converting 20mm to inches:

d(″) = 20mm / 25.4 = 0.7874″

Other unit conversion tools