Convert between different units quickly and accurately in a modern way
Choose a Measurement
Select a measurement and convert between different units
Convert Length from Millimeter to Millimeter (mm to mm)
Multiple conversions
Multiple conversions
What is the metric system?
The metric system is a decimal-based system of measurement used by nearly every country in the world. Its key feature is the use of prefixes to denote multiples and submultiples of the base units by powers of ten.
List some Length Converters:
For all Length converters, choose units using the From/To dropdowns above.