energy equivalents

as mass -- E = m c ²
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 m 2 kg -2
electron charge	e =	1.602 177 3 × 10 -19 C

	Energy		mass				freq	wavelength	temp
	Joules	eV	kg	m e	m p	Planck	Hz	m	K
Planck mass	1.96×10 9	1.22×10 28	2.18×10 -8	2.39×10 22	1.30×10 19	1	2.95×10 42	1.02×10 -34 *	1.42×10 32
1 GeV	1.60×10 -10	10 9	1.78×10 -27	1957	1.07		2.42×10 23	1.24×10 -15	1.16×10 13
m p	1.50×10 -10	0.938 × 10 9	1.67×10 -27	1836	1				1.09×10 13
10 13 K	1.38×10 -10	0.862×10 9	1.54×10 -27	1686	0.918		2.08×10 23	1.43×10 -15	10 13
1 MeV	1.60×10 -13	10 6	1.78×10 -30	1.957	1.07×10 -3		2.42×10 20	1.24×10 -12	1.16×10 10
10 10 K	1.38×10 -13	0.862×10 6	1.54×10 -30	1.686	9.18×10 -4		2.08×10 20	1.43×10 -12	10 10
m e	8.19×10 -14	0.511×10 6	9.11×10 -31	1	5.45 × 10 -4			2.43×10 -12	5.93×10 9
Rydberg	2.18×10 -18	13.6					3.29×10 15
1 eV	1.60×10 -19	1	1.78×10 -36	1.96×10 -6	1.07×10 -9		2.42×10 14	1.24×10 -6	1.16×10 4
10 4 K	1.38×10 -19	0.862	1.54×10 -36	1.69×10 -6	9.18×10 -10		2.08×10 14	1.43×10 -6	10 4
2.7 K	3.73×10 -23	2.33×10 -4	4.15×10 -40	4.55×10 -10	2.48×10 -13		5.63×10 10	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		2.08×10 10	0.0143	1
22 cm	9.03×10 -25	5.64×10 -6					1.36×10 9	0.22	0.07

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