The area of a 2D shape is the amount of space inside it. Capacity measures the amount that a 3-dimensional (3D) object can hold. The standard units of capacity are litres (l) and millilitres (ml). A ...

You’re moving, or maybe you’ve just got a lot of stuff, and you need to rent out a storage container—but you have no real sense for how much storage you need. Keep reading, because understanding the ...

Meters, kilograms, degrees Celsius. To most Americans, these units of measurement are little more than funny inconveniences on trips abroad. To scientists, they’re the very standards that allow for ...

Unit of account is the thing that measures the value of goods and services. It’s an essential function for something to be [or become?] money. In simple terms, it is a standard measure of value, a ...

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 ...