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.

For example, road signs in the UK display miles ... making it less standardised and less easily divisible than the metric system. Supporters of the imperial system argue that its units feel ...