English units
System of units formerly used in England This article is about the historical development of measurement in England up to 1826. For the non-metric measurement system used in the UK, see Imperial units. For the system currently used in the US with similar unit names, see United States customary units. For an overview of both UK and US non-metric units, see Imperial and US customary measurement systems. English units are the units of measurement that were used in England up to 1826 (when they were replaced by Imperial units), which evolved as a combination of the Anglo-Saxon and Roman systems of units. Various standards have applied to English units at different times, in different places, and for different applications. The two main sets of English units were the Winchester Units, in effect from 1495–1587, as reaffirmed by King Henry VII, and the Exchequer Standards, in effect from 1588–1825, as first defined by Queen Elizabeth I. [1] [2] The units were replaced by Imperial ...