Gigacalories to barrels of oil equivalent converter above calculates how many barrels of oil equivalent are in 'X' gigacalories (where 'X' is the number of gigacalories to convert to barrels of oil equivalent). In order to convert a value from gigacalories to barrels of oil equivalent (from Gcal to BOE) just type the number of Gcal to be converted to BOE and then click on the 'convert' button.