The various lengths were due to parts of the human body historically being used as a basis for units of length such as the cubit, hand, span, digit, and many others, sometimes referred to as anthropic units.
Learning some of the more commonly used metric prefixes, such as kilo-, mega-, giga-, tera-, centi-, milli-, micro-, and nano-, can be helpful for quickly navigating metric units.
What is a Centimeter cm? For the fastest and most accurate conversions, try the Centimeters to Millimeters Conversion Calculator below or keep reading to learn how to convert these units yourself.