Gallons (UK) to tons (displacement) converter on this page calculates how many tons (displacement) are in 'X' gallons (UK) (where 'X' is the number of gallons (UK) to convert to tons (displacement)). In order to convert a value from gallons (UK) to tons (displacement) (from gal to DT) just type the number of gal to be converted to DT and then click on the 'convert' button.