5000 joules equals 1 195.5 kcal. 5500 kcal coal belongs to first-class coal.

5500 kcal coal refers to coal with a calorific value of 5500 kcal, which is mainly used for power generation and heating in power plants, also known as thermal coal. The maximum calorie value of thermal coal is 5500 kcal. Under normal circumstances, there are brands corresponding to 5000 kcal and 4500 kcal. In our daily life, when using this kind of coal in power plants, it is necessary to add some Gao Hui ash coal with low calorific value to prevent coking in the furnace.