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sub_unit.dat
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1991-09-13
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: SUB_CAL unit and constant file v.2.00. 9 September 1991
: Maximum number of constants (convertible or not) is 10.
: Maximum number of unit categories: 5.
: Maximum number of units per category: 10.
: Category names are preceded with a *.
: Name lengths are limited to 16 characters.
: Empty lines and lines starting from : are ignored.
: Non-convertible constants, preceded by a "#" :
#electron [C] = 1.6021892E-19
#Planck h [J*s] = 6.126176E-34
#Avogadro[1/kmol]= 6.022045E26
#Grav. [N*m²/Kg²]= 6.6720E-11
#Boltzmann [J/K] = 1.380662
#Rydberg [1/m] = 1.097373177
: Units and convertible constants:
* Area
sq.meters = 1
acres = 4.046856E3
hectares = 1E4
sq.centimeters = 1E-4
sq.inches = 6.4516E-4
sq.kilometers = 1E6
sq.miles = 2.589988110336E6
sq.feet = 9.290304E-2
sq.yards = 0.83612736
* Energy
joules = 1
calories (int) = 4.1868
ergs = 1E-7
electron-volts = 1.6021892E-19
kilowatt-hours = 3.6E6
* Length
meters = 1
centimeters = 0.01
feet (int) = 0.3048
inches = 0.0254
miles (stat) = 1609.344
miles (naut) = 1852.0
yards = 0.9144
* Mass
kilograms = 1
grams = 1E-3
pounds (avd) = 0.4535924
ounces (avd) = 2.8349525E-2
tons (metric) = 1000.0
tons (long) = 1016.047
tons (short) = 907.1847
#electron mass = 9.109534E-31
#proton mass = 1.6726485E-27
* Volume
cu.meters = 1
barrels (oil) = 0.158987294928
bushels = 0.03523907
cu.inches = 1.6387064E-5
cu.feet = 0.028316846592
gallons (US) = 3.785412E-3
liters = 0.001
ounces (US fl) = 2.957353E-5
pints (US dry) = 5.506105E-4
pints (US liq) = 4.731765E-4
quarts (US dry) = 1.101221E-3
quarts (US liq) = 9.463529E-4