When comparing or combining an area or volume it is important to measure the objects using the same units. Without converting the areas into the same unit, it might be difficult to tell, for example, ...

Length, time and volume are all examples of quantities close quantityA property that can exist as a magnitude, usually with a numerical value. For example, speed (quantity) is measured in metres per ...

There are many specific instances where these parameters are required as quality control indicators and therefore are required to be measured. In the bakery industry, for example, loaf volume is the ...