Units from the metric system can be used to describe the mass, volume or length of an object. Mass is measured in grams (g) and kilograms (kg). Volume is measured in millilitres (ml) and litres (l).

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As ever more digital data is created and stored, the world needs more unit measurements to keep up with the ever-expanding numbers. To do so, the 27th General Conference on Weights and Measures on ...

In this educational film, a father explains to his son Tommy the importance of weights and measures in everyday life. As they prepare to set up a train set, the father illustrates how measurements are ...

KAYLA: Let’s build the new hover train system from the city to the beach. ZACH: Yeah, they are 20 kilometres apart. KAYLA: Great, so we can make the tracks 20 miles long.Ta-da!Oh, what?That looks way ...

A metric prefix is a numerical multiplier that is placed before a basic unit of measure to indicate a specified multiple or fraction of that unit. The 20 recognized metric prefixes have been specified ...