Buckets to gallons (US liquid) conversion calculator above calculates how many gallons (US liquid) are in 'X' buckets (where 'X' is the number of buckets to convert to gallons (US liquid)). In order to convert a value from buckets to gallons (US liquid) (from bkt to gal) simply type the number of bkt to be converted to gal and then click on the 'convert' button.