- 0KAbsolute zero, temperature
0 (K)
- gAcceleration of gravity at earth's surface
9.8066 (m/s²)
- atmAtmospheric pressure at sea level
101325 (Pa)
- uAtomic mass unit
1.6605e-27 (kg)
- NAAvogadro's constant
6.0221e-24 (mol⁻¹)
- eBase of natural logaritms
2.7183
- μBBohr magneton
9.274e-24 (J/T)
- a0Bohr radius
5.2918e-11 (m)
- kBoltzmann constant
1.3806e-23 (J/K)
- qeCharge of electron
1.6022e-19 (C)
- FFaraday constant
96485.3365 (C/mol)
- αFine structure constant
7.2974e-3
- RGas constant (molar, ideal)
8.314 (J/K mol)
- GGravitational constant
6.6741e-11 (m3/kg s²)
- meMass of electron (rest mass)
9.1094e-31 (kg)
- mnMass of neutron
1.6749e-27 (kg)
- mpMass of proton
1.6726e-27 (kg)
- μ0Permeability of a vacuum
1.2566e-6 (H/m)
- ε0Permittivity of a vacuum
8.8541e-12 (F/m)
- hPlanck's constant
6.6261e-34 (J s)
- C1Radiation constant, first
3.7418e-16 (W m²)
- C2Radiation constant, second
1.4388e-2 (m K)
- πRatio of a circle's circumference(C) to its diameter
3.1416
- R∞Rydberg constant
1.0974e+7 (m⁻¹)
- cSpeed of light in vacuum
2.9979e+8 (m/s)
- σStefan-Boltzmann constant
5.6704e-8 (W/m² K⁴)
- Vm(0°)Volume ideal gas, 1 atm, 0°C
0.0224 (m³/mol)
- Vm(25°)Volume ideal gas, 1 atm, 25°C
0.0245 (m³/mol)
- ΩOmega Constant
0.5671
- PParabolic Constant
2.2956
- Z0Impedance of Vacuum
3.7673e-2 (Ω)
- G0Conductance Quantum
7.7480e-5 (s)
- keElectrostatic constant
8.9876e+9 (Nm²/C²)
- φ0Magnetic Flux Quantum
2.0678e-15 (W b)
