9.07 kilos. The actual conversion of 1 kilogram is equal to 2.204622622 pounds. For everyday use, rounding to 2.2 should be enough. One pound is 0.45359237 kilogram, or 0.45 kg for everyday use.
A 100 pound propane tank has a capacity of 2,160,509 BTUs
20 lbs
19.04761904761905 ( measured @ 4.2 lbs per gallon )
3
Propane burns 91,547 b.t.u.'s an hour per gallon of propane. Depending on the b.t.u. output of the appliance you are running you should be able to calculate how many hours you can use your tank.
A 100 pound propane tank has a capacity of 2,160,509 BTUs
69
roughly 9.7
100 pound propane tank will hold 23.58 gallon. 100 pounds / 4.24 pounds per gallon = 23.58 gallons
20 LBS OF PROPANE WILL PRODUCE APPROX. 36,000 BTU @ 0 DEGRESS, 51,000 @ 20 DEGREES.
69
20 lbs
19.04761904761905 ( measured @ 4.2 lbs per gallon )
. . . . 30 pounds
7.1 gallons @ 4.2lbs per gallon.
Might be because lb is an abbreviation for pound?
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 pound tank" willhold about 7.5 gallons so a full tank will weigh about 55 pounds or so./source: wiki.answers.com/