So, what you are probably re â¦ ferring to is 'energy'. The SI unit of energy is the joule (J). An alternative unit, used by electricity utility companies for the purpose of billing its consumers, is the kilowatt hour (kW.h).
a typical steel 30 pound liquid propane tank weighs about 25-28 pounds empty. propane tank markings (on collar) propane weighs about 4.125 pounds per gallon and a 30 po â¦ und tank will hold about 7.5 gallons so a full tank will weigh about 55 pounds or so. /source: wiki.answers.com/.
â¢ The tank is approximately 43â in height and 24â in diameter. â¢ A 200 lb. tank holds 46 gallons of propane. â¢ Provides sufficient storage if you add a range or clothes dryer. â¢ The tank is approximately 54.5â in height and 30â in diameter. â¢ Also known as a 420 lb. tank, this holds 96 gallons of propane. â¢ The tank size is approximately 9â 11â long and 37Â½-â in diameter. â¢ A 500-gallon tank holds 400 gallons of propane. â¢ Large commercial and industrial installations may. require multiple 1000-gallon tanks. â¢ A 1000-gallon tank is 16â 1Â½â long and 41â in diameter. â¢ A 1000-gallon tank holds 800 gallons of propane.