RFOXiA ToolKit
Constant | Symbol | Value | Unit |
---|---|---|---|
Speed of light in a vacuum | c | 299792458 | m⋅s^−1 |
Permittivity of a vacuum | ε0 | 8.854187817×10−12 | F⋅m^−1 |
Permeability of a vacuum | μ0 | 12.566370614×10−7 | N⋅A^−2 |
Planck constant | h | 6.6260693×10−34 | J⋅s |
Boltzmann constant | k | 1.3806505×10−23 | J⋅K^−1 |
Elementary charge | e | 1.60217653×10−19 | C |
Electron mass | me | 9.1093826×10−31 | kg |
Characteristic impedance of vacuum | η | 376.730313461 | Ω |
Base of natural logarithms | e | 2.718281828459 | - |
Pi (ratio of circumference to diameter) | π | 3.1415926535898 | - |
Standard atmosphere (pressure) | P | 101325 | Pa |
Absolute zero temperature | - | 0 | K |
Room temperature | - | 290−298 | K |
Acceleration due to gravity at Earth's surface | g | 9.81 | m/s^2 |
Avogadro's constant | NA | 6.022141×1023 | mol^−1 |
Gas constant (molar, ideal) | R | 8.3144598 | J/mol K |
Atomic mass unit | - | 1.660540×10−27 | kg |
Stefan-Boltzmann constant | σ | 5.670367×10−8 | W/m^2K^4 |
Volume of ideal gas at STP | Vm | 22413.6 | cm3/mol |