Filter
Top Products
E-25
1
7
(CONST)
ddd
4
(
ε
0
)
1
7
(CONST)
dd
1
(
ƫ
0
)
)
E
A
Table of Scientifi c Constants
The numbers in the “No.” column show the scientifi c constant menu page number on the left
and the number key you need to press to select the constant when the proper menu page is
displayed.
No. Scientifi c Constant Symbol Value Unit
1-1 Proton mass m
p
1.67262171×10
–27
kg
1-2 Neutron mass m
n
1.67492728×10
–27
kg
1-3 Electron mass m
e
9.1093826×10
–31
kg
1-4 Muon mass m
ƫ
1.8835314×10
–28
kg
2-1 Bohr radius a
0
0.5291772108×10
–10
m
2-2 Planck constant h 6.6260693×10
–34
J s
2-3 Nuclear magneton
µ
N
5.05078343×10
–27
J T
–1
2-4 Bohr magneton
µ
B
927.400949×10
–26
J T
–1
3-1 Planck constant, rationalized 1.05457168×10
–34
J s
3-2 Fine-structure constant
α
7.297352568×10
–3
−
3-3 Classical electron radius r
e
2.817940325×10
–15
m
3-4 Compton wavelength
λ
c
2.426310238×10
–12
m
4-1 Proton gyromagnetic ratio
γ
p
2.67522205×10
8
s
–1
T
–1
4-2 Proton Compton wavelength
λ
cp
1.3214098555×10
–15
m
4-3 Neutron Compton wavelength
λ
cn
1.3195909067×10
–15
m
4-4 Rydberg constant R
∞
10973731.568525 m
–1
5-1 Atomic mass constant u 1.66053886×10
–27
kg
5-2 Proton magnetic moment
µ
p
1.41060671×10
–26
J T
–1
5-3 Electron magnetic moment
µ
e
–928.476412×10
–26
J T
–1
5-4 Neutron magnetic moment
µ
n
–0.96623645×10
–26
J T
–1
6-1 Muon magnetic moment
µ
ƫ
–4.49044799×10
–26
J T
–1
6-2 Faraday constant F 96485.3383 C mol
–1
6-3 Elementary charge e 1.60217653×10
–19
C
1
÷
'
(
ε
0
I
0
1
÷
'
(
ε
0
I
0
1
÷
'
(
ε
0
μ
0
)
I
0
1
÷
'
(
ε
0
μ
0
)
I
0
1
÷
'
(
ε
0
μ
0
)
299792458
1
÷
'
(
ε
0
μ
0
)
299792458