The millimetre (SI symbol: mm; international spelling) or millimeter (American spelling) is a unit of length in the International System of Units (SI), equal to one thousandth of a metre, the SI base unit of length.

To make the conversion easier, you can use the millimeters to inches conversion calculator provided on this page. This tool will calculatate the value for you and also give the result in fractional form if …

The millimeter [mm] to inch [in] conversion table and conversion steps are also listed. Also, explore tools to convert millimeter or inch to other length units or learn more about length conversions.

One millimeter is equal to 1/1000 of a meter (m). One millimeter is equal to 1/10 of a centimeter (cm). One millimeter is equal to 1/25.4 of an inch (in). Inch (in or ″) is a unit of length. One inch is equal to …

Our Online Ruler Features This is a handy and convenient online ruler that could be calibrated to actual size, measurements in cm, mm and inch, the upper half is the millimeter ruler and centimeter ruler, …

Milli denotes a factor of one thousandth (1/1000th) which means that there are 1,000 millimeters in a meter. Select one of the millimeter conversions below: This table provides a summary of the Length …

Use our calculation tool to convert quickly between millimeters/millimetres and inches (mm and in), or vice-versa, with results given as both decimal and fraction.

Apr 7, 2026 · The mm unit is part of the metric system, which covers many other units of length, including the centimeter and meter. In the metric system each millimeter equals one-tenth of a …

Convert Millimeters (mm) to other Length units - Unit Converter - Measurement Conversion

Use this converter to easily convert between Millimeters and Inches (mm to in). How many Millimeters equal one Inch? Inches and millimeters both are units that measure length. The symbols used for …