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Converting Propane LB's into Propane Gallons

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  • Converting Propane LB's into Propane Gallons

    How would I go about converting propane lb's that I am buying in cylinders into propane gallons so that I can look at my spend in one UOM?
    Thanks for any help you can give me.

  • #2
    Re: Converting Propane LB's into Propane Gallons

    I found a page here:
    http://www.nwes.com/propane_info.htm

    It says 4.24 pounds per gallon.

    I assume that is just a rough estimate for the small tanks of propane. As the true density will differ with temperature and pressure.

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    • #3
      Re: Converting Propane LB's into Propane Gallons

      I need to convert 34,680 lbs of propane into gallons.

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      • #4
        Re: Converting Propane LB's into Propane Gallons

        Originally posted by Unregistered View Post
        I need to convert 34,680 lbs of propane into gallons.
        It is approximately 0.51 times the weight of water which is 8.33 lb/gallon, or 4.25 lb/gallon. Divide by 4.25 to get gallons.

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        • #5
          Re: Converting Propane LB's into Propane Gallons

          [QUOTE=jasontheory;11216]How would I go about converting propane lb's that I am buying in cylinders into propane gallons so that I can look at my spend in one UOM?
          Thanks for any help you can give me.[/QUOT
          i bought 300 gallons convert it to what percent

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          • #6
            Re: Converting Propane LB's into Propane Gallons

            how many gallons are in 100 lbs propane tank?

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            • #7
              Re: Converting Propane LB's into Propane Gallons

              It'S 4.24 With decimals so u gotta round up it's actually 4.25 lbs per gallon.

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              • #8
                Re: Converting Propane LB's into Propane Gallons

                Originally posted by Unregistered View Post
                how many gallons are in 100 lbs propane tank?
                how many gallons in a 100 pound propane tank?

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                • #9
                  Re: Converting Propane LB's into Propane Gallons

                  In a 100 pound you will have about 16.4 gl

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                  • #10
                    Re: Converting Propane LB's into Propane Gallons

                    actually at 100lbs tank of LP will be 22.9 gal. Thats what i belive because thats what this tank lists.

                    Go to tractorsupply and click on 100 lbs tanks and it will show you that it holds 22.9 gallons

                    so if it 22.9 gal = 100 lbs than it would be .229 gallons per pound. Or 4.366812227 Lbs per 1 Gallon

                    Does everyone argree?

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                    • #11
                      Re: Converting Propane LB's into Propane Gallons

                      Originally posted by Unregistered View Post
                      actually at 100lbs tank of LP will be 22.9 gal. Thats what i belive because thats what this tank lists.

                      Go to tractorsupply and click on 100 lbs tanks and it will show you that it holds 22.9 gallons

                      so if it 22.9 gal = 100 lbs than it would be .229 gallons per pound. Or 4.366812227 Lbs per 1 Gallon

                      Does everyone argree?
                      Not really 100lbs includes the weight of the tank also the tank is only filled to 80%

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                      • #12
                        Re: Converting Propane LB's into Propane Gallons

                        Normally a tank is only filled to 85% of capacity so it would be somewhat less.

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                        • #13
                          Re: Converting Propane LB's into Propane Gallons

                          the 100 lb tank name is just a category for the size of the tanks, it's not an exact measurement of the total capacity.

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                          • #14
                            Re: Converting Propane LB's into Propane Gallons

                            the 4.29 lbs per gal number is correct, so 100 lbs of propane is 23.58 gals. If you've ever had one filled, you know it's never completely full, the hardware and mechanism on the tank (the overfill prevention device) have to have some room to work and take up some room themselves, so TSC is probably right that it will hold only 22.9 gals

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                            • #15
                              Re: Converting Propane LB's into Propane Gallons

                              I think lbs is a more accurate measurement of what you are actually buying since it won't be temperature dependent. I believe the 20lb tanks you get at home depot are more than 5 gallons by volume to safely accommodate for expansion as others have mentioned.

                              Having said that, I've been a natural gas user until this past year, so who the hell knows. As a skeptic, I tend to believe they are going to short us anyway.

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