Reference unit for the energetic evaluation of various energyAbility to do work or diffuse heat. The unit of energy is th... carriers. 1 kg coal equivalent corresponds to a value specified as 7,000 kilocalories (7,000 kcal ~ 29.3 MJ ~ 8.141 kWh) and thus approximately the calorific value of hard coal which, depending on the type, amounts to between 29.3 MJ/kg (gas-flame coal) and 33.5 MJ/kg (anthracite).
| 1 kg gasoline | 1.59 kg coal equivalent |
| 1 kg fuelSee 'nuclear fuel'. oil | 1.52 kg coal equivalent |
| 1 m3 natural gas | 1.35 kg coal equivalent |
| 1 kg anthracite | 1.14 kg coal equivalent |
| 1 kg hard coal | 1.00 kg coal equivalent |
| 1 kg hard coal coke | 0.97 kg coal equivalent |
| 1 kg lignite briquette | 0.72 kg coal equivalent |
| 1 m3 town gas | 0.60 kg coal equivalent |
| 1 kg firewood | 0.57 kg coal equivalent |
| 1 kg fire peat | 0.56 kg coal equivalent |
| 1 kg crude lignite | 0.34 kg coal equivalent |
| 1 kWh | 0.123 kg coal equivalent |
During the complete fissionSee 'nuclear fission'. of 1 kg U-235, 19 billion kilocalories are released, i.e. 1 kg uranium-235 corresponds to 2.7 million kg coal equivalent.