| 1 cm-1 = | 0.124 meV | 0.030 THz | 1.44 Kelvin | |
| 1 meV = | 8.1 cm-1 | 0.242 THz | 11.6 Kelvin | |
| 1 THz = | 33 cm-1 | 4.14 meV | 48 Kelvin | |
| 1 Kelvin = | 0.70 cm-1 | 0.086 meV | 0.021 THz |
| 1 J = | 0.000277 Wh | 2.39.10-10Tep | 2.39.10-4kcal | |
| 1 kWh = | 3.6 106 J | 8.62.10-5Tep | 862 kcal | |
| 1 Tep = | 4.18 109 J | 11.6.106Wh | 106kcal | |
| 1 kcal = | 4180 J | 1.16 Wh | 10-6Tep |