en.wikipedia.org/wiki/United_States_customary_units

United States customary units are a system of measurements commonly used in the United ... Metric units are standard in science, medicine, as well as many sectors of industry and government, including the military. There are anecdotal ...

en.wikipedia.org/wiki/System_of_measurement

[edit]. Non-standard measurement units, sometimes found in books, newspapers etc., include:

en.wikipedia.org/wiki/Metric_system

In 1921 the Metre Convention was extended to cover all units of measure, not just length and mass and in 1933 the 8th ...

www.skillsyouneed.com/num/measurement-systems.html

This page explains the two most common systems of measurement: the ... by the use of cups as a standard measure, and you can therefore amend your other ...

www.mathsisfun.com/measure/us-standard-units-introduction.html

When I first arrived I couldn't understand how you measure things, but my ... you can measure things using two different systems: US Standard Units and Metric.

study.com/academy/lesson/standard-units-of-measure.html

U.S. and Metric Systems. In this video lesson, we are going to talk about the different units of measurement that we use for length, weight, time and volume.

science.howstuffworks.com/why-us-not-on-metric-system.htm

This standard wooden ruler in which inches mingle freely with centimeters says a ... decimal-based measuring, adopted its own metric system in fits and starts.

www.nist.gov/document-15649

system as its predominant system of measurement. ... used meter and kilogram standards brought from ... each state with a set of standard metric weights.