energy equivalents

as mass -- E = m c²
Planck mass: = 2.176 71 × 10^-8 kg
proton mass: m_p = 1.672 623 1 × 10^-27 kg
electron mass: m_e = 9.109 389 7 × 10^-31 kg

as frequency and wavelength -- E = h v = h c / λ
Planck length: = 1.616 05 × 10^-35 m
Compton wavelength: h / m_e c = 2.426 310 58 × 10^-12 m

as temperature -- E = k T

speed of light	c =	299 792 458  m s-1 (exact)
Planck's constant	h =	6.626 075 5 × 10-34 J s
Boltzmann constant	k =	1.380 658 × 10-23 J K-1
gravitational constant	G =	6.672 6 × 10-11 N m2 kg-2
electron charge	e =	1.602 177 3 × 10-19 C

	Energy		mass				freq	wavelength	temp
	Joules	eV	kg	me	mp	Planck	Hz	m	K
Planck mass	1.96×109	1.22×1028	2.18×10-8	2.39×1022	1.30×1019	1	2.95×1042	1.02×10-34*	1.42×1032
1 GeV	1.60×10-10	109	1.78×10-27	1957	1.07		2.42×1023	1.24×10-15	1.16×1013
mp	1.50×10-10	0.938 × 109	1.67×10-27	1836	1				1.09×1013
1013 K	1.38×10-10	0.862×109	1.54×10-27	1686	0.918		2.08×1023	1.43×10-15	1013
1 MeV	1.60×10-13	106	1.78×10-30	1.957	1.07×10-3		2.42×1020	1.24×10-12	1.16×1010
1010 K	1.38×10-13	0.862×106	1.54×10-30	1.686	9.18×10-4		2.08×1020	1.43×10-12	1010
me	8.19×10-14	0.511×106	9.11×10-31	1	5.45 × 10-4			2.43×10-12	5.93×109
Rydberg	2.18×10-18	13.6					3.29×1015
1 eV	1.60×10-19	1	1.78×10-36	1.96×10-6	1.07×10-9		2.42×1014	1.24×10-6	1.16×104
104 K	1.38×10-19	0.862	1.54×10-36	1.69×10-6	9.18×10-10		2.08×1014	1.43×10-6	104
2.7 K	3.73×10-23	2.33×10-4	4.15×10-40	4.55×10-10	2.48×10-13		5.63×1010	0.0388	2.7
1 K	1.38×10-23	8.62×10-5	1.54×10-40	1.69×10-10	9.18×10-14		2.08×1010	0.0143	1
22 cm	9.03×10-25	5.64×10-6					1.36×109	0.22	0.07

* This is 2π larger than the "Planck length" itself, because of the use of in the latter's definition