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free42 Custom Constants

Author: Mitch Richling
Updated: 2025-10-08 14:50:19

Copyright 2025 Mitch Richling. All rights reserved.

Table of Contents

1. Metadata

2. Constants (2018 NIST)

Menu Desc Quantity Value Uncertainty Unit Category
univ:h Planck Constant Planck constant 6.62607015e-34 0 J/Hz univ
univ:hbar Dirac Constant reduced Planck constant 1.054571817e-34 0 J*s univ
univ:c Speed of Light speed of light in vacuum 299792458 0 m/s univ
univ:E0 Vac Ele Permittivity vacuum electric permittivity 8.8541878128e-12 0.0000000013e-12 F/m univ
univ:μ0 Vac Mag Permeability vacuum magetic permeability 1.25663706212e-6 0.00000000019e-6 N/A^2 univ
univ:G Gravitational Constant Newtonian constant of gravitation 6.67430e-11 0.00015e-11 m^3/kg*s^2 univ
univ:tp Planck Time Planck time 5.391247e-44 0.000060e-44 s univ
adpt:gacc Earth Std Grav Accel standard acceleration of gravity 9.80665 0 m/s^2 derv
adpt:atm Standard Atmosphere standard atmosphere 101325 0 Pa derv
elec:mN Nuclear Magneton nuclear magneton 5.0507837461e-27 0.0000000015e-27 J/*T elec
elec:μB Bohr Magneton Bohr magneton 9.2740100783e-24 0.0000000028e-24 J/T elec
elec:e Elementary Charge elementary charge 1.602176634e-19 0 C elec
elec:F0 Mag flux quantum magnetic flux quantum 2.067833848e-15 0 Wb elec
elec:G0 Conductance Quantum conductance quantum 7.748091729e-5 0 S elec
pchm:mu Atomic Mass Unit unified atomic mass unit 1.66053906660e-27 0.00000000050e-27 kg pchem
pchm:F Faraday Faraday constant 96485.33212 0 C/mol pchem
pchm:Na Avogadro's Number Avogadro constant 6.02214076e23 0 1/mol pchem
pchm:k Boltzmann Constant Boltzmann constant 1.380649e-23 0 J/K pchem
pchm:R Ideal Gas Constant molar gas constant 8.314462618 0 J/mol*K pchem
pchm:s Stefan Constant Stefan-Boltzmann constant 5.670374419e-8 0 W/m^2*K^4 pchem
pchm:rc1 First Radiation Cnst first radiation constant 3.741771852e-16 0 W*m^2 pchem
pchm:rc2 Second Radiation Cnst second radiation constant 1.438776877e-2 0 m*K pchem
atom:misc:a Fine Structure fine-structure constant 7.2973525693e-3 0.0000000011e-3   atom
atom:misc:Eh Hartree Energy Hartree energy 4.3597447222071e-18 0.0000000000085e-18 J atom
atom:misc:Ry Rydberg Constant Rydberg constant 10973731.568160 0.000021 1/m atom
atom:mass:pro Proton Mass proton mass 1.67262192369e-27 0.00000000051e-27 kg atom
atom:mass:ele Electron Mass electron mass 9.1093837015e-31 0.0000000028e-31 kg atom
atom:mass:neut Neutron Mass neutron mass 1.67492749804e-27 0.00000000095e-27 kg atom
atom:mass:muon Muon Mass muon mass 1.883531627e-28 0.000000042e-28 kg atom
atom:magm:pro Proton Mag Mom proton magnetic moment 1.41060679736e-26 0.00000000060e-26 J/T atom
atom:magm:ele Electron Mag Mom electron magnetic moment -9.2847647043e-24 0.0000000028e-24 J/T atom
atom:magm:neut Neutron Mag Mom neutron magnetic moment -9.6623651e-27 0.0000023e-27 J/T atom
atom:magm:muon Muon Mag Mom muon magnetic moment -4.49044830e-26 0.00000010e-26 J/T atom
atom:rad:bohr Bohr Radius Bohr radius 5.29177210903e-11 0.00000000080e-11 m atom
atom:rad:ele Electron Radius classical electron radius 2.8179403262e-15 0.0000000013e-15 m atom
atom:comp:std Compton Wavelength Compton wavelength 2.42631023867e-12 0.00000000073e-12 m atom
atom:comp:pro Proton Compton waveln proton Compton wavelength 1.32140985539e-15 0.00000000040e-15 m atom
atom:comp:neut Neutron Compton waveln neutron Compton wavelength 1.31959090581e-15 0.00000000075e-15 m atom
atom:comp:muon Nuon Compton waveln muon Compton wavelength 1.173444110e-14 0.000000026e-14 m atom
math:grat Golden ratio   1.618033988749894      
math:emc Eul-Masc Euler–Mascheroni 0.577215664901532      
math:omga Omega Omega constant 0.567143290409783      
math:lapl Laplace limit Laplace limit 0.662743419349181      

3. Application Source

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ (CONS)
@@@@ DSC: Auto-generated menu program
LBL "CONS"
LBL 01            @@@@ Page 1 of menu CONS
CLMENU
"univ"
KEY 1 GTO 02
"adpt"
KEY 2 GTO 03
"elec"
KEY 3 GTO 04
"pchm"
KEY 4 GTO 05
"atom"
KEY 5 GTO 06
"math"
KEY 6 GTO 07
KEY 9 GTO 00
MENU
STOP
GTO 00
LBL 02            @@@@ Page 1 of menu univ
CLMENU
"h"
KEY 1 XEQ 09
"hbar"
KEY 2 XEQ 10
"c"
KEY 3 XEQ 11
"E0"
KEY 4 XEQ 12
"μ0"
KEY 5 XEQ 13
"G"
KEY 6 XEQ 14
KEY 7 GTO 08
KEY 8 GTO 08
KEY 9 GTO 01
MENU
STOP
GTO 00
LBL 08            @@@@ Page 2 of menu univ
CLMENU
"tp"
KEY 1 XEQ 15
KEY 7 GTO 02
KEY 8 GTO 02
KEY 9 GTO 01
MENU
STOP
GTO 00
LBL 03            @@@@ Page 1 of menu adpt
CLMENU
"gacc"
KEY 1 XEQ 16
"atm"
KEY 2 XEQ 17
KEY 9 GTO 01
MENU
STOP
GTO 00
LBL 04            @@@@ Page 1 of menu elec
CLMENU
"mN"
KEY 1 XEQ 18
"μB"
KEY 2 XEQ 19
"e"
KEY 3 XEQ 20
"F0"
KEY 4 XEQ 21
"G0"
KEY 5 XEQ 22
KEY 9 GTO 01
MENU
STOP
GTO 00
LBL 05            @@@@ Page 1 of menu pchm
CLMENU
"mu"
KEY 1 XEQ 24
"F"
KEY 2 XEQ 25
"Na"
KEY 3 XEQ 26
"k"
KEY 4 XEQ 27
"R"
KEY 5 XEQ 28
"s"
KEY 6 XEQ 29
KEY 7 GTO 23
KEY 8 GTO 23
KEY 9 GTO 01
MENU
STOP
GTO 00
LBL 23            @@@@ Page 2 of menu pchm
CLMENU
"rc1"
KEY 1 XEQ 30
"rc2"
KEY 2 XEQ 31
KEY 7 GTO 05
KEY 8 GTO 05
KEY 9 GTO 01
MENU
STOP
GTO 00
LBL 06            @@@@ Page 1 of menu atom
CLMENU
"misc"
KEY 1 GTO 32
"mass"
KEY 2 GTO 33
"magm"
KEY 3 GTO 34
"rad"
KEY 4 GTO 35
"comp"
KEY 5 GTO 36
KEY 9 GTO 01
MENU
STOP
GTO 00
LBL 32            @@@@ Page 1 of menu misc
CLMENU
"a"
KEY 1 XEQ 37
"Eh"
KEY 2 XEQ 38
"Ry"
KEY 3 XEQ 39
KEY 9 GTO 06
MENU
STOP
GTO 00
LBL 33            @@@@ Page 1 of menu mass
CLMENU
"pro"
KEY 1 XEQ 40
"ele"
KEY 2 XEQ 41
"neut"
KEY 3 XEQ 42
"muon"
KEY 4 XEQ 43
KEY 9 GTO 06
MENU
STOP
GTO 00
LBL 34            @@@@ Page 1 of menu magm
CLMENU
"pro"
KEY 1 XEQ 44
"ele"
KEY 2 XEQ 45
"neut"
KEY 3 XEQ 46
"muon"
KEY 4 XEQ 47
KEY 9 GTO 06
MENU
STOP
GTO 00
LBL 35            @@@@ Page 1 of menu rad
CLMENU
"bohr"
KEY 1 XEQ 48
"ele"
KEY 2 XEQ 49
KEY 9 GTO 06
MENU
STOP
GTO 00
LBL 36            @@@@ Page 1 of menu comp
CLMENU
"std"
KEY 1 XEQ 50
"pro"
KEY 2 XEQ 51
"neut"
KEY 3 XEQ 52
"muon"
KEY 4 XEQ 53
KEY 9 GTO 06
MENU
STOP
GTO 00
LBL 07            @@@@ Page 1 of menu math
CLMENU
"grat"
KEY 1 XEQ 54
"emc"
KEY 2 XEQ 55
"omga"
KEY 3 XEQ 56
"lapl"
KEY 4 XEQ 57
KEY 9 GTO 01
MENU
STOP
GTO 00
LBL 00 @@@@ Application Exit
EXITALL
RTN
LBL 09    @@@@ Action for menu key h
6.62607015e-34
"Planck Constant"
├"[LF]"
├"J/Hz"
AVIEW
RTN
LBL 10    @@@@ Action for menu key hbar
1.054571817e-34
"Dirac Constant[LF]"
├"J*s"
AVIEW
RTN
LBL 11    @@@@ Action for menu key c
299792458
"Speed of Light[LF]"
├"m/s"
AVIEW
RTN
LBL 12    @@@@ Action for menu key E0
8.8541878128e-12
"Vac Ele Permitt"
├"ivity[LF]"
├"F/m"
AVIEW
RTN
LBL 13    @@@@ Action for menu key μ0
1.25663706212e-06
"Vac Mag Permeab"
├"ility[LF]"
├"N/A^2"
AVIEW
RTN
LBL 14    @@@@ Action for menu key G
6.6743e-11
"Gravitational C"
├"onstant"
├"m^3/kg*s^2"
AVIEW
RTN
LBL 15    @@@@ Action for menu key tp
5.391247e-44
"Planck Time[LF]"
├"s"
AVIEW
RTN
LBL 16    @@@@ Action for menu key gacc
9.80665
"Earth Std Grav "
├"Accel[LF]"
├"m/s^2"
AVIEW
RTN
LBL 17    @@@@ Action for menu key atm
101325
"Standard Atmosp"
├"here[LF]"
├"Pa"
AVIEW
RTN
LBL 18    @@@@ Action for menu key mN
5.0507837461e-27
"Nuclear Magneto"
├"n[LF]"
├"J/*T"
AVIEW
RTN
LBL 19    @@@@ Action for menu key μB
9.2740100783e-24
"Bohr Magneton[LF]"
├"J/T"
AVIEW
RTN
LBL 20    @@@@ Action for menu key e
1.602176634e-19
"Elementary Char"
├"ge[LF]"
├"C"
AVIEW
RTN
LBL 21    @@@@ Action for menu key F0
2.067833848e-15
"Mag flux quantu"
├"m[LF]"
├"Wb"
AVIEW
RTN
LBL 22    @@@@ Action for menu key G0
7.748091729e-05
"Conductance Qua"
├"ntum[LF]"
├"S"
AVIEW
RTN
LBL 24    @@@@ Action for menu key mu
1.6605390666e-27
"Atomic Mass Uni"
├"t[LF]"
├"kg"
AVIEW
RTN
LBL 25    @@@@ Action for menu key F
96485.33212
"Faraday[LF]"
├"C/mol"
AVIEW
RTN
LBL 26    @@@@ Action for menu key Na
6.02214076e+23
"Avogadro's Numb"
├"er[LF]"
├"1/mol"
AVIEW
RTN
LBL 27    @@@@ Action for menu key k
1.380649e-23
"Boltzmann Const"
├"ant[LF]"
├"J/K"
AVIEW
RTN
LBL 28    @@@@ Action for menu key R
8.314462618
"Ideal Gas Const"
├"ant[LF]"
├"J/mol*K"
AVIEW
RTN
LBL 29    @@@@ Action for menu key s
5.670374419e-08
"Stefan Constant"
├"[LF]"
├"W/m^2*K^4"
AVIEW
RTN
LBL 30    @@@@ Action for menu key rc1
3.741771852e-16
"First Radiation"
├" Cnst[LF]"
├"W*m^2"
AVIEW
RTN
LBL 31    @@@@ Action for menu key rc2
0.01438776877
"Second Radiatio"
├"n Cnst[LF]"
├"m*K"
AVIEW
RTN
LBL 37    @@@@ Action for menu key a
0.0072973525693
"Fine Structure"
AVIEW
RTN
LBL 38    @@@@ Action for menu key Eh
4.3597447222071e-18
"Hartree Energy[LF]"
├"J"
AVIEW
RTN
LBL 39    @@@@ Action for menu key Ry
10973731.56816
"Rydberg Constan"
├"t[LF]"
├"1/m"
AVIEW
RTN
LBL 40    @@@@ Action for menu key pro
1.67262192369e-27
"Proton Mass[LF]"
├"kg"
AVIEW
RTN
LBL 41    @@@@ Action for menu key ele
9.1093837015e-31
"Electron Mass[LF]"
├"kg"
AVIEW
RTN
LBL 42    @@@@ Action for menu key neut
1.67492749804e-27
"Neutron Mass[LF]"
├"kg"
AVIEW
RTN
LBL 43    @@@@ Action for menu key muon
1.883531627e-28
"Muon Mass[LF]"
├"kg"
AVIEW
RTN
LBL 44    @@@@ Action for menu key pro
1.41060679736e-26
"Proton Mag Mom[LF]"
├"J/T"
AVIEW
RTN
LBL 45    @@@@ Action for menu key ele
-9.2847647043e-24
"Electron Mag Mo"
├"m[LF]"
├"J/T"
AVIEW
RTN
LBL 46    @@@@ Action for menu key neut
-9.6623651e-27
"Neutron Mag Mom"
├"[LF]"
├"J/T"
AVIEW
RTN
LBL 47    @@@@ Action for menu key muon
-4.4904483e-26
"Muon Mag Mom[LF]"
├"J/T"
AVIEW
RTN
LBL 48    @@@@ Action for menu key bohr
5.29177210903e-11
"Bohr Radius[LF]"
├"m"
AVIEW
RTN
LBL 49    @@@@ Action for menu key ele
2.8179403262e-15
"Electron Radius"
├"[LF]"
├"m"
AVIEW
RTN
LBL 50    @@@@ Action for menu key std
2.42631023867e-12
"Compton Wavelen"
├"gth[LF]"
├"m"
AVIEW
RTN
LBL 51    @@@@ Action for menu key pro
1.32140985539e-15
"Proton Compton "
├"waveln[LF]"
├"m"
AVIEW
RTN
LBL 52    @@@@ Action for menu key neut
1.31959090581e-15
"Neutron Compton"
├" waveln"
├"m"
AVIEW
RTN
LBL 53    @@@@ Action for menu key muon
1.17344411e-14
"Nuon Compton wa"
├"veln[LF]"
├"m"
AVIEW
RTN
LBL 54    @@@@ Action for menu key grat
1.618033988749894
"Golden ratio"
AVIEW
RTN
LBL 55    @@@@ Action for menu key emc
0.577215664901532
"Eul-Masc"
AVIEW
RTN
LBL 56    @@@@ Action for menu key omga
0.567143290409783
"Omega"
AVIEW
RTN
LBL 57    @@@@ Action for menu key lapl
0.662743419349181
"Laplace limit"
AVIEW
RTN
@@@@ Free labels start at: 58
END

4. EOF