Inches to millimeters length units conversion table shows the most common values for the quick reference. Alternatively, you may use the converter below to convert any other values if wondering how many millimeters in inches.
1 Inch = 25.4 Millimeters
Inch is an imperial and US customary measurement systems length unit. The abbreviation is "in" and the symbol is double prime (").
Millimeter is a metric length unit and equal to one thousandth of a meter. It is used to measure small distances in engineering and machining. The abbreviation is "mm".
For millimeters to inches converter, please go to millimeters to inches
For other length units conversion, please go to Length Conversion