The standard gallon contains 231 cubic inches. The standard bushel contains 2150.42 cubic inches. The capacity of cisterns, reservoirs, etc., is often expressed in barrels (bbl.) of 31 gallons each, or in hogsheads (hhd.) of 63 gallons each. In commerce, these vary in size. The long ton of 2240 pounds is used in the United States Custom Houses and in weighing coal and iron at the mines. The value of £1 is $4.8665 in United States gold coin. The unit of French money is 1 franc, which is 19.3 cents. The unit of German money is 1 mark, which is 23.85 cents. 35 |