erg (unit of energy)

erg

1 cm^2 g s^-2

6.2415 × 10e11 eV

atomic mass unit

u

1.6605 × 10e-24 g

931.494 MeV/c^2

neutron mass

m_n

1.6749× 10e-24 g

939.563 MeV/c^2

proton mass

m_p

1.6726× 10e-24 g

938.272 MeV/c^2

electron mass

m_e

9.1094 × 10e-28 g

0.511 MeV/c^2

electron charge

e

4.8032 × 10e10 cm^3/2 g^1/2 s^-1

Stefan-Boltmann constant

σ

5.6704 × 10e-5 g s^-3 K^-4

Boltzmann's constant

k

1.3807 × 10e-16 cm^2 g s^-2 K^-1

8.6173 × 10e-5 eV K^-1

reduced Planck's constant

ℏ = h/2π

1.0546 × 10e-27 cm^2 g s^-1

6.5821 × 10e-16 eV s

Planck's constant

h

6.6261 × 10e-27 cm2 g s-1

4.1357 × 10e-15 eV s

Newton's gravitational constant

G

6.6743 × 10e-8 cm^3 g^-1 s^-2

speed of light (in a vacuum)

c

2.99792458 × 10e10 cm s^-1