For example, speed (quantity) is measured in metres per second. that can be measured. A unit of measurement is one unit of a quantity: for example, one second. Standard units of measurement are ...

The industry's most authoritative handbook on flow measurement provides a road map to the field of flow measurement. This best-seller discusses strategies for problem solving and puts the whole array ...

The universe would be here even if people weren't, but the system we use to take its measure is a thing made by humans. In fact, SI units used to be based on actual, real-life physical artifacts.