The following table lists the constants and their values that are available when performing unit conversions. They can be typed in manually or selected from the Constants list in Utilities > Unit Conversions (Handheld: Press k 3).
Constant |
Name |
Value |
---|---|---|
_c |
Speed of light |
299792458 _m/_s |
_Cc |
Coulomb constant |
8987551787.3682 _m/_F |
_Fc |
Faraday constant |
96485.33289 _coul/_mol |
_g |
Acceleration of gravity |
9.80665 _m/_s2 |
_Gc |
Gravitational constant |
6.67408E-11 _m3/_kg/_s2 |
_h |
Planck's constant |
6.626070040E-34 _J _s |
_k |
Boltzmann's constant |
1.38064852E-23 _J/_¡K |
_m0 |
Permeability of a vacuum |
1.2566370614359E-6 _N/_A2 |
_mb |
Bohr magneton |
9.274009994E-24 _J _m2/_Wb |
_Me |
Electron rest mass |
9.10938356E-31 _kg |
_Mm |
Muon mass |
1.883531594E-28 _kg |
_Mn |
Neutron rest mass |
1.674927471E-27 _kg |
_Mp |
Proton rest mass |
1.672621898E-27 _kg |
_Na |
Avogadro's number |
6.022140857E23 /_mol |
_q |
Electron charge |
1.6021766208E-19 _coul |
_Rb |
Bohr radius |
5.2917721067E-11 _m |
_Rc |
Molar gas constant |
8.3144598 _J/_mol/_¡K |
_Rdb |
Rydberg constant |
10973731.568508/_m |
_Re |
Electron radius |
2.8179403227E-15 _m |
_u |
Atomic mass |
1.660539040E-27 _kg |
_Vm |
Molar volume |
2.2413962E-2 _m3/_mol |
_H0 |
Permittivity of a vacuum |
8.8541878176204E-12 _F/_m |
_s |
Stefan-Boltzmann constant |
5.670367E-8 _W/_m2/_¡K4 |
_f0 |
Magnetic flux quantum |
2.067833831E-15 _Wb |