Cubic feet to gallons (US liquid) converter on this page calculates how many gallons (US liquid) are in 'X' cubic feet (where 'X' is the number of cubic feet to convert to gallons (US liquid)). In order to convert a value from cubic feet to gallons (US liquid) (from cu ft to gal) just type the number of cu ft to be converted to gal and then click on the 'convert' button.