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Length System

Unit of length is used to measure how long it is from one point to another. There are the British Imperial units, US customary system and the metric unit. Metric system is the most commonly used unit.

Time Units

The units of time is globally used to measure duration basing on second (s). Each time unit has its own symbol and is connected to others.

Unit of Volume

Volume is a 3-dimensional measurement used for capacity, volume and the extend of a specific object or space. It is commonly applied to measure liquid and goods in bulk.