CalcES Scientific Calculator Online | MathDA (2024)

Scientific Constant

• 1

  Proton mass

  1.67262189821e-27

  kg

  mp

• 2

  Neutron mass

  1.67492747121e-27

  kg

  mn

• 3

  Electron mass

  9.1093835611e-31

  kg

  me

• 4

  Muon mass

  1.88353159448e-28

  kg

  mµ

• 5

  Bohr radius

  5.291772106712e-11

  m

  a₀

• 6

  Planck constant

  6.62607004081e-34

  Js

  h

• 7

  Nuclear magneton

  5.05078369931e-27

  JT^-1

  µN

• 8

  Bohr magneton

  9.27400999457e-24

  JT^-1

  µB

• 9

  Planck constant,rationalized

  1.05457180013e-34

  Js

  ℏ

• 10

  Fine-structure constant

  0.007297352566417

  α

• 11

  Classical electron radius

  2.817940322719e-15

  m

  re

• 12

  Compton wavelength

  2.426310236711e-12

  m

  λc

• 13

  Proton gyromagnetic ratio

  267522190.018

  s^-1T^-1

  γp

• 14

  Proton Compton wavelength

  1.3214098539661e-15

  m

  λcp

• 15

  Neutron Compton wavelength

  1.3195909048188e-15

  m

  λcn

• 16

  Rydberg constant

  10973731.56850865

  m^-1

  R∞

• 17

  Atomic mass constant

  1.6605390402e-27

  kg

  u

• 18

  Proton magnetic moment

  1.410606787397e-26

  JT^-1

  µp

• 19

  Electron magnetic moment

  -9.28476462057e-24

  JT^-1

  µe

• 20

  Neutron magnetic moment

  -9.662365023e-27

  JT^-1

  µn

• 21

  Muon magnetic moment

  -4.490448261e-26

  JT^-1

  µµ

• 22

  Faraday constant

  96485.332895

  Cmol^-1

  F

• 23

  Elementary charge

  1.602176620898e-19

  C

  e

• 24

  Avogadro constant

  6.02214085774e+23

  mol^-1

  NA

• 25

  Boltzmann constant

  1.3806485279e-23

  JK^-1

  k

• 26

  Molar volume of ideal

  0.02271094713

  m³mol^-1

  Vm

• 27

  Molar gas constant

  8.3144598484848

  Jmol^-1K^-1

  R

• 28

  Speed of light in vacuum

  299792458

  ms^-1

  C₀

• 29

  First radiation constant

  3.74177179046e-16

  Wm²

  C₁

• 30

  Second radiation constant

  0.014387773683

  mK

  C₂

• 31

  Stefan-Boltzmann constant

  5.67036713e-8

  Wm^-2K^-4

  σ

• 32

  Electric constant

  8.854187817e-12

  Fm^-1

  ε₀

• 33

  Magnetic constant

  0.00000125663706

  NA^-2

  µ₀

• 34

  Magnetic flux quantum

  2.06783383113e-15

  Wb

  φ₀

• 35

  Standard acceleration of gravity

  9.80665

  ms^-2

  g

• 36

  Conductance quantum

  0.00007748091731018

  S

  G₀

• 37

  Characteristic impedance of vacuum

  376.730313461

  Ω

  Z₀

• 38

  Celsius temperature

  273.15

  K

  t

• 39

  Newtonian constant of gravitation

  6.6740831e-11

  m³kg^-1s^-2

  G

• 40

  Standard atmosphere

  101325

  Pa

  atm