Convert Inch (in) to Millimeter (mm)
To convert Inch to Millimeter, multiply the value by 25.4. For example, 1 Inch = 25.4 mm and 10 Inch = 254 mm. Both Inch and Millimeter are units of Length. Enter any value above for an instant, accurate result.
One Inch equals 25.4 mm.
Use the formula: mm = in × 25.4.