Other Names For U.S. Customary Units
The United States Code refers to these units as "traditional systems of weights and measures".
Other common ways of referring to these systems in the United States are: "Standard," "Customary," or, somewhat erroneously when considering volume/tonnage, "Imperial," or "English," which refers to the pre-1824 reform measures used throughout the British Empire.
Tools and fasteners with sizes measured in inches are sometimes called "SAE bolts" or "SAE wrenches" to differentiate them from their metric counterparts. The Society of Automotive Engineers originally developed fasteners standards using U.S. units for the US auto industry; the organization now uses metric units.
Read more about this topic: Customary Units In The United States
Famous quotes containing the words names, customary and/or units:
“I do not see why, since America and her autumn woods have been discovered, our leaves should not compete with the precious stones in giving names to colors; and, indeed, I believe that in course of time the names of some of our trees and shrubs, as well as flowers, will get into our popular chromatic nomenclature.”
—Henry David Thoreau (1817–1862)
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—Flannery O’Connor (1925–1964)
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—Willa Cather (1873–1947)