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Understanding Millimeters and Centimeters: How Many Millimeters in a Centimeter?

The Basics of Metric Measurement: Millimeters and Centimeters The metric system is used widely around the world and is based on units of 10. The two smallest units of length in the metric system are the millimeter (mm) and centimeter (cm). A millimeter is equal to one thousandth of a meter, while a centimeter is equal to one hundredth of…