1inch in mm: Instant free online tool

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 to other length units or learn more about length conversions. Convert 1 inches to mm. How many mm is 1 inches? The answer is: 25.4. Convert Inches to Millimeters Use this online tool to convert inch [in] to millimeter [mm], or vice versa. Learn the definition, history, and conversion formula of both units, and see the conversion table and examples. How to convert 1 inch (in) = 25.4 millimeter (mm). Inch (in) is a unit of Length used in Standard system. Millimeter (mm) is a unit of Length used in Metric system. Inch: A Unit of Length The inch (in) is a unit of length used in the US customary system, which is one of the systems of measurement used in the United States and some other countries. The inch is equal to 1/12 of a foot or 2.54 centimeters. The inch is also a derived unit in the imperial system, which is the official system of ...