Millimeters to Inches (mm to inches) conversion calculator for length conversions with additional tables and formulas.

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.

Instant free online tool for millimeter to inch conversion or vice versa. The millimeter [mm] to inch [in] conversion table and conversion steps are also listed. Also, explore tools to convert millimeter or inch …

On the rulers, the smallest markings (in terms of length and based on the width between each marking) indicate millimeters. Every fifth millimeter has a slightly longer marking, and each centimeter is …

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 …

The symbol of a millimeter is “mm.” In case you are wondering how to measure length in millimeters or how a length of a millimeter or 1 mm looks like, let’s check it out on a ruler.

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.

Convert millimeters (mm) to another unit of length such as miles, yards, or feet, and see the conversion formulas.

May 31, 2025 · Keep reading to learn how to convert and measure in millimeters yourself. To measure in mm, hold a metric ruler against an object, count the number of whole cm of its length, and multiply by …

The word is usually expressed as 'mm' and is considered to be equal to one-thousandth of a meter. The metric unit consists of meters, centimeters, millimeters, and inches.