Firkin (unit) a barrel and its value depends on the current size of a barrel, but at present: 1 firkin = 0.25 barrel = 9 imperial gallons = 10.8 U.S. gallons = 41 litres Firkin (unit) A firkin is a unit of volume or mass used in several situations. Its etymology is likely to be from the Middle English "ferdekyn", probably from the Middle Dutch diminutive of vierde ‘fourth’ (a firkin originally contained a quarter of a barrel). A firkin is an American unit of dry measure. 1 firkin = 9 US gallons = 34 litres. A firkin was a British unit
There Goes a... Here Comes a Roller Coaster (1995) Dave has a dream that he spends a day at Six Flags Magic Mountain and rides on all different types of roller coasters and other thrill rides. 11. There Goes a Monster Truck (1995) Monster Truck Drivers Dave & Becky learn all about monster trucks. 12. There Goes a Motorcycle (1995) Bikers Dave & Becky learn all about motorcycles and how they are used when driving for fun and when they are used for racing. 13. There Goes a Helicopter (1995) Helicopter Pilots Dave & Becky learn all about different types of helicopters. 14.