Question: 1 barrel equal to how many kg?
Answer: Convert Kilograms Per Barrel Of Oil to Kilograms Per Litre Mass of 1 kilogram per volume of a barrel of oil. 42 Gallon (US fluid) barrel of oil. Equivalent density of 6.289 810 770 4321 kilograms per cubic meter. 1 kg/bbl = 6.2898107704321 kg/m3.