Centimeters to Millimeters Converter

Convert centimeters to millimeters instantly.

Common length units

Centimeter (cm)

Definition: A centimeter (symbol: cm) is one hundredth of a meter (0.01 m). It is a metric unit of length commonly used for small to medium measurements.

History/origin: The centimeter developed as part of the decimal metric system introduced in France in the late 18th century. It quickly became one of the most practical subdivisions of the meter for everyday use.

Current use: Centimeters are widely used for body measurements, school rulers, furniture dimensions, clothing, and household objects in countries that use the metric system.

Millimeter (mm)

Definition: The millimeter is a small metric length unit. Each mm is 0.001 meters, and 10 millimeters make one centimeter.

History/origin: Metric measurement made it easy to divide the meter into thousandths, giving builders, makers, and engineers a precise unit that avoids awkward fractions.

Current use: Mm is used for screws, product specs, machining, 3D printing, phone dimensions, rainfall, medical scans, jewelry sizes, and layout work where centimeters are too coarse.