Gallons (UK) to cubic centimeters converter above calculates how many cubic centimeters are in 'X' gallons (UK) (where 'X' is the number of gallons (UK) to convert to cubic centimeters). In order to convert a value from gallons (UK) to cubic centimeters (from gal to cm³) simply type the number of gal to be converted to cm³ and then click on the 'convert' button.