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Name

Symbol

Derivation

Value

Unit

Info

1

atomic mass constant
(hydrogen atom mass)

mu

1/12 (m(12C)

1.66053873(13) x 10-27

kg

-

2

Avogadro constant

NA, L

-

6.02214199(47) x 1023

mol-1

-

3

Boltzmann constant

k

R/NA

1.3806503(24) x 10-23

J K-1

-

4

Faraday constant

-

NAe

96485.3415(39)

C mol-1

-

5

first radiation constant

c1

2phc2

3.74177107(29) x 10-16

W m2

-

6

molar gas constant

R

-

8.314472(15)

J mol-1 K-1

-

7

molar Planck constant

-

NAh

3.990312689(30) x 10-10

J s mol-1

-

8

molar volume of ideal gas

Vm

-

22.413996(39) x 10-3

m3 mol-1

more

9

Sackur-tetrode constant
(absolute entropy constant)

S0/R

-

-1.1648678(44)

-

more

10

second radiation constant

c2

hc/k

1.4387752(25) x 10-2

m K

-

11

Stefan-Boltzmann constant

s

(p2/60)k43c2

5.670400(40) x 10-8

W m-2 K-4

-

12

Wien displacement law constsnt

b

-

2.8977686(51) x 10-3

m K

-


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