H ave you ever noticed that systems of measurement tends to change when you leave the United States? Weight is typically ...

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).

or among units of length, volume and weight. In other words, the French introduced not only national standards, but a system of standards. It survives today as the metric system.

On May 20, 1875, delegates from a group of 17 countries gathered in Paris to sign what may be the most overlooked yet ...

A nanometer (nm) is a unit of length in the metric system, defined as one billionth (10-9) of a meter (m). The meter is the base unit of length in the International System of Units (SI), making the ...

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).