RFOXiA ToolKit

ConstantSymbolValueUnit
Speed of light in a vacuumc299792458m⋅s^−1
Permittivity of a vacuumε0​8.854187817×10−12F⋅m^−1
Permeability of a vacuumμ0​12.566370614×10−7N⋅A^−2
Planck constanth6.6260693×10−34J⋅s
Boltzmann constantk1.3806505×10−23J⋅K^−1
Elementary chargee1.60217653×10−19C
Electron massme​9.1093826×10−31kg
Characteristic impedance of vacuumη376.730313461Ω
Base of natural logarithmse2.718281828459-
Pi (ratio of circumference to diameter)π3.1415926535898-
Standard atmosphere (pressure)P101325Pa
Absolute zero temperature-0K
Room temperature-290−298K
Acceleration due to gravity at Earth's surfaceg9.81m/s^2
Avogadro's constantNA​6.022141×1023mol^−1
Gas constant (molar, ideal)R8.3144598J/mol K
Atomic mass unit-1.660540×10−27kg
Stefan-Boltzmann constantσ5.670367×10−8W/m^2K^4
Volume of ideal gas at STPVm​22413.6cm3/mol

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