| 1 cal = | 4.184 J |
| 1 cal = | 2.611 eV |
| 1 cal = | 0.00418 kJ |
| 1 cal = | 0.00397 BTU |
| 1 cal = | 0.00116 Wh |
| 1 cal = | 0.001 kcal |
| 1 cal = | 0.00000418 MJ |
| 1 cal = | 0.00000261 MeV |
| 1 cal = | 0.00000116 kWh |
| 1 cal = | 0.00000000418 GJ |
| 1 cal = | 0.00000000261 GeV |
| 1 cal = | 0.00000000116 MWh |
| 1 cal = | 0.0000000000999 toe |