energy equivalents

as mass -- E = m c2
Planck mass: root(h bar c / G) = 2.176 71 × 10-8 kg
proton mass: mp = 1.672 623 1 × 10-27 kg
electron mass: me = 9.109 389 7 × 10-31 kg

as frequency and wavelength -- E = h v = h c / lambda
Planck length: root(h bar G / c^3) = 1.616 05 × 10-35 m
Compton wavelength: h / me 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 2pi larger than the "Planck length" itself, because of the use of h bar in the latter's definition