Cubic meters to barrels (oil) converter on this page calculates how many barrels (oil) are in 'X' cubic meters (where 'X' is the number of cubic meters to convert to barrels (oil)). In order to convert a value from cubic meters to barrels (oil) (from m³ to bbl) simply type the number of m³ to be converted to bbl and then click on the 'convert' button.