Units for measuring such as metres, kilograms and litres are covered in Metric Units and are examples of single units. Compound units at M1 covers speed, heart rate and fuel economy. Density is a ...

Compound measures involve two or more different units. Examples of compound measures and their units include pressure (\(N/ m^2\)), density (\(g/ cm^3\)), speed (km/h) and heart rate (beats per minute ...