Convert from ounce [UK, liquid] to bucket [US]

Unit Definition (ounce [UK, liquid])
The ounce [UK, liquid] is a traditional unit of liquid volume, also called the fluid ounce to avoid confusion with the weight ounce. In the British Imperial system there are 20 fluid ounces in an imperial pint, so each fluid ounce represents about 1.733 871 cubic inches or 28.413 063 milliliters. A British fluid ounce weighs exactly one ounce at a specified temperature and pressure.

Unit Definition (bucket [US])
The bucket [US] is a unit of volume, generally informal. In the U.S., many commodities (both wet and dry) are sold in plastic buckets holding 5 U.S. liquid gallons (about 18.927 liters).