# U.S. customary units/Related Articles

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*See also changes related to U.S. customary units, or pages that link to U.S. customary units or to this page or whose text contains "U.S. customary units".*

## Parent topics

- Physics [r]: The study of forces and energies in space and time.
^{[e]} - Engineering [r]: a branch of engineering that uses chemistry, biology, physics, and math to solve problems involving fuel, drugs, food, and many other products.
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## Subtopics

- Chemical engineering [r]: a branch of engineering that uses chemistry, biology, physics, and math to solve problems involving fuel, drugs, food, and many other products
^{[e]} - Chemistry [r]: The science of matter, or of the electrical or electrostatical interactions of matter.
^{[e]} - Systems of measurement [r]: A set of units which can be used to specify anything which can be measured and were historically important, regulated and defined because of trade and internal commerce.
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- Atmosphere (unit) [r]: A unit of pressure measurement (symbol: atm) defined as 101,325 pascal.
^{[e]} - Bar (unit) [r]: A unit of pressure measurement (symbol: bar) defined as 100,000 Pascals.
^{[e]} - Benchmark_quantities [r]: a reference against which quantities for other objects can be compared.
^{[e]} - Factor-label conversion of units [r]: A widely used method for converting one set of dimensional units to another set of equivalent units.
^{[e]} - Fahrenheit [r]: A unit of temperature, defined by the melting point of water being at 32 degrees (°F), and the temperature difference between the melting and the boiling points to 180.
^{[e]} - Foot (unit) [r]: A non-SI unit of length, equal to 0.3048 metre, and equivalent to 12 inches.
^{[e]} - Inch [r]: A non-SI unit of length, equal to 2.54 centimeters, and equivalent to 1/12th of a foot.
^{[e]} - International System of Units [r]: Metric unit system based on the metre, kilogram, second, ampere, kelvin, mole and candela.
^{[e]} - Measurement [r]: The act of quantifying a property of an object or relation; the output of the instrument or procedure that does the quantification
^{[e]} - Mile [r]: A non-SI unit of length, equal to 1.609 kilometres, and equivalent to 5,280 feet.
^{[e]} - Pressure [r]: A ratio equal to the force applied perpendicular to the surface of the area divided by that area (force/area).
^{[e]} - Rankine [r]: A unit of temperature, defined by absolute zero being at 0 degrees (°R), with 1°R being equal to 1°F (Fahrenheit), i.e. the temperature difference between the melting and the boiling points of water is set to 180.
^{[e]} - Standard Cubic Feet Per Minute [r]: An acronym for "Standard cubic feet per minute" which is used to denote the volumetric flow rate of a gas (in the United States customary units) corrected to "standardized" conditions of temperature, pressure and relative humidity, thus representing a precise mass flow rate.
^{[e]} - Temperature [r]: A fundamental quantity in physics - describes how warm or cold a system is.
^{[e]} - Temperature conversion [r]: The process of transforming values of temperature measured in one unit to values in another unit.
^{[e]} - Yard [r]: A non-SI unit of length, equal to 0.9144 metre, and equivalent to 3 feet.
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