SearchAsk us anythingarrow rightWhat is bigger than a gallon?One gallon (gal) is the basic unit of liquid measure. A barrel is equal to 31.5 gallons, and a hogshead is 63 gallons (or two barrels).Let's Get It Fixed!Our virtual experts can diagnose your issue (for free!) and resolve simple problems.Chat with a live expertChat nowCall 1 (855) 466-3948Call nowRATESHARECopy linkTwitterFacebookmagnifying glassLink copied to clipboard.SUBMIT AN ANSWERShop Recommended ProductsShop HomeX Recommended ProductsRELATED QUESTIONSWhat is half gallon?one and a half litres, equal to 2 litres (1.9 litres).What is a mega gallon?1 million gallons 3,785,412 litres. 1 million gallons 3.07 feet acre.How big is a million gallons?A million liters of acre.What is bigger than a Litre?One kilogram is 1000 times more than one gram (i.e. 1 kilogram 1000 grams). One centimeter is 100 times less than one meter (i.e. 1 meter 100 centimeters). One decalite is 10 times more than one litre (i.e. 1 decalite 10 liters).How tall is a gallon?The size of the 1-gallon pot is approximately 6-7 inches high and wide.