Units from the metric system can be used to describe the mass ... use when you want to convert between grams and kilograms. For example on the number line you can see that: 5kg = 5,000g To ...

The metric system is used to measure the length ... Image caption, You measure the weight of heavier objects in kilograms (kg), for example the weight of a person. Jamie weighs 55 kilograms.

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 ...