THIS diagram of the metric units of length, area and volume is printed on a sheet of paper about 3 feet 6 inches by 2 feet 6 inches. The various measures are shown full size. To be of the greatest ...

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).

The week of Oct. 10 – that's 10/10 – is National Metric Week because the metric system is based on powers of 10.

Metric units are the measurements currently used in shops both in the UK and across the EU. This system used metres, litres and grams as a basic units of distance, volume and mass.

Yotta (24 zeroes) was the largest prefix in the metric system before the new additions. Now, the Earth's mass can be said to be about 6 ronnagrams rather than 6,000 yottagrams.