Kilojoules to gallon-atmosphere (UK) converter above calculates how many gallon-atmosphere (UK) are in 'X' kilojoules (where 'X' is the number of kilojoules to convert to gallon-atmosphere (UK)). In order to convert a value from kilojoules to gallon-atmosphere (UK) (from kJ to gal atm) simply type the number of kJ to be converted to gal atm and then click on the 'convert' button.