A unit of length is a standard measurement used to quantify the distance between two points. Length can be measured in various units, which can vary depending on the measurement system being used. In the International System of Units (SI), the primary unit of length is the meter (m). Other common units of length in the SI system include: - Kilometer (km), which is equal to 1,000 meters - Centimeter (cm), which is equal to 0.
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