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Scientific unit conversion8/19/2023 ![]() ![]() 1 sr = (180/π) 2 deg 2 = 3282.8 deg 2 = 0.1591 hemispheresĪcre, are, arpent, barn, centiare, circular inch, circular mil, hectare, kanal, marla, rood, section, square centimeter, square foot =, square inch = , square kilometer, square metre, square mile = section =, square mil=square thou =, square millimeter, square yard =, square rod=pole=perch =, township, yardland.Hemisphere, solid angle, square degree =, square radian = steradian, millisteradians , 1 g 0 = 9.80665 m/s 2 = 32.17405 ft/s 2 = 386.1 in/s 2 = 35 kph/s = 22 mph/sĪrc minute = minute of arc, arc second = second of arc, circle = circumference = revolution = turn, degree =, gradian =gon =, milliarcsecond, quadrant, radian, sign ,.Unit symbols are given in Accelerationįoot/second 2, metre/second 2, galileo = gal = centimeter/second 2 =, inch/second 2, standard gravity, kilometer per hour/second, miles per hour/second The default values are from the first example above. A cross-multiplication for the conversion can be expressed as: = 0.204 m H 2O Example - How many square feet is is 132 square miles?įrom the first line in the area section in this page 1076.39 sq ft = 3.86102x10 -5 sq mi. You can convert between units by using cross-multiplication.Įxample - How many meter water column is 2000 Pa?įrom the Pa line in the pressure section in this page 1 Pa = 1.020x10 -4 m H 2O. Magnitude of a Physical Quantity (Power or intensity relative to a specified or implied reference level).Electromotive Force, Voltage difference.This is completely different than definind 12 inches as a foot, where inches and feet are different units that describe the same thing. It should be stated that although these generate conversion factors, they are really describing relationships, that is, mass and volume describe completely different aspects of matter and density allows you to convert from one to another. Therefor it is common to compile tables of densities and other physical constants. So if you know the density of something, you can convert its mass to volume, or its volume to mass. ![]() This can be understood by looking at one such constant, density, which is the linear proportionality constant for the extensive properties of mass and volume, where m = dv (the y intercept is zero because if you have nothing, its mass and volume both equal zero - review extensive properties). \right )\), which allows conversions of measurements between the units of X and Y.
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