use our online Energy Equivalents Converter :
Basis of conversion factors for energy equivalents:
Conversion factors for energy equivalents are derived from the following relations:
- E = mc2 = hc/ = hnu = kT.
- 1 eV = (e/C) J.
- 1 u = mu = (1/12) m (12C) = 10-3 kg mol-1/NA.
- Eh = 2Rhc = 2mec2.
Energy Equivalents Conversion Table:
| Energy Equivalents Conversion Table | ||||||||
| hartree | eV | cm-1 | kcal/mol | kJ/mol | oK | J | Hz | |
| hartree | 1 | 27.2107 | 219474.63 | 627.503 | 2625.5 | 315777 | 4.36E-18 | 6.57966E+15 |
| eV | 0.0367502 | 1 | 8065.73 | 23.0609 | 96.4869 | 11604.9 | 1.60E-19 | 2.42E+14 |
| cm-1 | 4.5563E-06 | 0.000123981 | 1 | 0.00285911 | 0.0119627 | 1.42879 | 1.99E-23 | 29979300000 |
| kcal/mol | 0.00159362 | 0.0433634 | 349.757 | 1 | 4.184 | 503.228 | 6.95E-21 | 1.04854E+13 |
| kJ/mol | 0.00038088 | 0.0103641 | 83.593 | 0.239001 | 1 | 120.274 | 1.66E-21 | 2.50607E+12 |
| oK | 3.1668E-06 | 8.61705E-05 | 0.695028 | 0.00198717 | 0.0083144 | 1 | 1.38E-23 | 20836400000 |
| J | 2.294E+17 | 6.24181E+18 | 5.03E+22 | 1.44E+20 | 6.02E+20 | 7.24E+22 | 1 | 1.51E+33 |
| Hz | 1.52E-16 | 4.14E-15 | 3.3357E-11 | 9.537E-14 | 3.99E-13 | 4.799E-11 | 6.63E-34 | 1 |
I recommend going instead to the NIST website: Fundamental Physical Constants from NIST for more details regarding the basis of conversion factor for energy equivalent.