Energy
| Name | To convert from | to | multiply by | divide by |
| Energy | BTU | J | 1,055 | .0009478 |
| Energy | cal | J | 4.1859 | 0.2389 |
| Energy | erg | J | 1.000E-07 | 1.000E+07 |
| Energy | ev | J | 1.602E-19 | 6.242E+18 |
| Energy | ft*lbf | J | 1.3557 | 0.7376 |
| Energy | kiloton TNT | J | 4.187E+12 | 2.388E-13 |
| Energy | kW*hr | J | 3.600E+06 | 2.778E-07 |
| Energy | megaton TNT | J | 4.187E+15 | 2.388E-16 |