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A fixture unit is equal to 1 cubic foot (0.028 m 3) of water drained in a 1 + 1 ⁄ 4 inches (32 mm) diameter pipe over one minute. [2] One cubic foot of water is roughly 7.48 US gallons (28.3 L; 6.23 imp gal). A Fixture Unit is used in plumbing design for both water supply and waste water. Different fixtures have different flow requirements.
1.0 cu yd (0.76 m 3) cubic foot: cuft (ft3, cufoot, foot3) cu ft long code "cufoot or foot3" outputs cubic foot (and never feet) 1.0 cu ft (0.028 m 3) board foot: board feet (board foot) (none) 1 ft × 1 ft × 1 in. used for measuring lumber long code "board foot" outputs board foot (and never feet) 1.0 board foot (0.0024 m 3) cubic inch: cuin ...
The IEEE symbol for the cubic foot per second is ft 3 /s. [1] The following other abbreviations are also sometimes used: ft 3 /sec; cu ft/s; cfs or CFS; cusec; second-feet; The flow or discharge of rivers, i.e., the volume of water passing a location per unit of time, is commonly expressed in units of cubic feet per second or cubic metres per second.
Although 1 cubic foot (0.028 m 3) of air has a capacity to hold heat of 37 joules per kelvin (JK −1), the same volume of water has a heat capacity of 20,050 JK −1. [16] A metal pipe of water just 1 inch (2.5 cm) in diameter can carry as much energy as an 18-by-18-inch (46 by 46 cm) metal duct of air. [16]
Volume Unit of measure cubic metre litre Reference size Usage 1 cubic metre = 1 = 1000: base unit in SI : 1 barrel = 0.158 987 294 928 = 158.987294928 = 42 US gallons = 9,702 cubic inches
Cubic foot; Cubic metre per second; D. Data-rate units; F. Fixture unit; M. Million standard cubic feet per day; Miner's inch; P. Pound per hour; S. Standard cubic ...
One cubic inch (assuming an international inch) is equal to: 0.000578704 cubic feet (1 cu ft equals 1,728 cu in) Roughly 1 tablespoon (1.0 U.S. gallon = 256 U.S. tablespoons = 231 cubic inches) About 0.576744 imperial fluid ounces; About 0.554113 US fluid ounces; About 0.06926407 American/English cups; About 0.000450581 imperial bushels
Volume may be measured either in terms of units of cubic length or with specific volume units. The units of cubic length (the cubic inch, cubic foot, cubic mile, etc.) are the same in the imperial and US customary systems, but they differ in their specific units of volume (the bushel, gallon, fluid ounce, etc.). The US customary system has one ...