Units Converter. Apr 21, 2007 3:55:43 GMT -8 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by bultaco on Apr 21, 2007 3:55:43 GMT -8 This is an american version, the volumes will differ from ours. one US gallon is 3.78 litres.Our Imperial gallon is 4.55 litres. www.unitsconverter.net/