Millimeter Converter

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Source - Millimeter

Millimeter (mm) - Definition and Overview

What is Millimeter?

millimeter is a metric unit used to measure the length of a small object, it is equal to one thousandth of a metre.Therefore, there are one thousand millimetres in a metre.

Summary

  • The millimeter is a unit of length in the metric system equal to one thousandth of a meter
  • It is commonly used to measure small distances and dimensions, such as the thickness of a credit card or the diameter of a small screw
  • The millimeter is widely used in engineering, manufacturing, and everyday measurements.

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Rajesh V U

Full-Stack Developer & Storage Technologist | Creator of UnitSmash.com
Last updated: June 1, 2026

I am a Storage Technologist with strong experience in enterprise storage systems, Angular development, and web-based tools. I enjoy building practical calculators, converters, and utilities, and I also create original cartoons. I share my tools, articles, and creative work on my personal website, rajeshvu.com.