## What is the calorific value of 1 kg fuel

What is the calorific value of 1 kg fuel?: Variation of calorific value of 1 kg of fuel can depending on the kind of fuel you are using to. Generally, 1 kg of coal have approximately 28 MJ/kg of energy, 1 kg of oil have approximately 42 MJ/kg of energy, and 1 kg of natural gas have approximately 45 MJ/kg of energy.