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  1. Imperial units - Wikipedia

    By the late 20th century, most nations of the former empire had officially adopted the metric system as their main system of measurement, but imperial units are still used alongside metric …

  2. Imperial units | History, Measurements, & Facts | Britannica

    Fully accessible unit converter for converting between metric and imperial measurement systems. Convert length, weight, volume, temperature, and speed with keyboard navigation and screen …

  3. British Imperial System - The Engineering ToolBox

    A principal system of units. English units forms the basic for the Imperial system formerly used in the Commonwealth countries and the Customary system used in the US.

  4. Imperial System - Units, Comparison, Chart, Examples

    The imperial system of measurement is the system of measurement defined in the UK that use units like feet, inches, pounds, tons, etc. Learn more about imperial system in this article.

  5. British-American System of Units – The Physics Hypertextbook

    The British-American system of traditional units is described here including the origin of the names for all the units and how they relate to one another.

  6. Imperial Measurements: A History of Pounds and Ounces

    Jun 1, 2022 · The British Imperial System emerged from a long and complex history of local units that can be traced back to thousands of Roman, Celtic, Anglo Saxon and customary local units.

  7. Imperial System - Definitions, Unit Conversions, & Examples

    The imperial measurement system is a traditional system of measurements based on the old English units. Learn different units, conversions, and examples.

  8. Understanding Imperial Units - British Weights and Measures …

    Despite the fact that imperial units of measurement are still in widespread use in the UK, the USA and many other countries, most young people in Britain today are not taught how to use them. …

  9. English units - Wikipedia

    English units of measurement, the units of measurement used in England up to 1826 Imperial and US customary measurement systems, an overview of both UK and US non-metric units

  10. Imperial Units Guide - Unit Conversion Tools

    Sep 20, 2025 · The Imperial system of units is a collection of measurement units that originated in the British Empire and continues to be used in some countries, most notably the United …