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  • Natural gas usage

    I am working on a air emissions report for the Mo. DNR. I need to convert Therms to CCF (100 cu. ft.), can you help with a formula?

    Thanks
    Jim

  • #2
    Re: Natural gas usage

    I Googled and found data showing:
    1 cubic foot of natural gas = 1,031 Btu

    100 cubic foot of natural gas = 100 * 1031 = 103,100 Btu

    A therm is 100,000 Btu so:
    103,100 Btu / 100,000 = 1.031 therm

    Therefore, the formulas you are looking for are:

    therm / 1.031 = CCF
    CCF * 1.031 = therm

    Comment


    • #3
      Re: Natural gas usage

      It is very close to a 1 to 1 conversion. For most things you could just estimate 1 therm = 1 CCF.

      Comment


      • #4
        Re: Natural gas usage

        yeah, thats what we do at Cascade NG

        Comment


        • #5
          Re: Natural gas usage

          If a Therm is 100,000 btu and a ccf is a 1000 btu, where is the one to one conversion? 1 therm is about 100 ccf not 1 ccf.

          Comment


          • #6
            Re: Natural gas usage

            Originally posted by Unregistered
            If a Therm is 100,000 btu and a ccf is a 1000 btu, where is the one to one conversion? 1 therm is about 100 ccf not 1 ccf.
            Note that "CCF" stands for 100 cubic feet, not 1 cubic foot. The first 'C' is the Roman numeral C, which stands for 100.

            Then, using the information in Post #2,
            1 CCF = 100 cubic feet = 100 * 1031 BTU = 103,100 BTU
            not 1000 BTU as you wrote.

            Since a therm is 100,000 BTU, this is nearly the same as 1 CCF. More precisely,
            1 CCF = 103,100 BTU = 1.031 therm

            Comment


            • #7
              Re: Natural gas usage

              Could someone also come up with a formula that will convert ccf's to cubic ft?

              Comment


              • #8
                Re: Natural gas usage

                So there's no way to convert it to cubic feet?

                Comment


                • #9
                  Re: Natural gas usage

                  Blondsrus, see Roy's response from below:

                  "Note that "CCF" stands for 100 cubic feet, not 1 cubic foot. The first 'C' is the Roman numeral C, which stands for 100.

                  Then, using the information in Post #2,
                  1 CCF = 100 cubic feet "

                  Comment


                  • #10
                    Re: Natural gas usage

                    So what is a better price to pay for natural gas:
                    $1.569 per ccf or $1.249 per therm ?
                    (not good at math)

                    Comment


                    • #11
                      Re: Natural gas usage

                      Originally posted by Unregistered
                      So what is a better price to pay for natural gas:
                      $1.569 per ccf or $1.249 per therm ?
                      (not good at math)
                      Ad indicated above, ccf and therm are about the same, so pay the cheaper price if you get an option.

                      Comment


                      • #12
                        Re: Natural gas usage

                        I need help converting from mcf to therms.

                        Please help.

                        Comment


                        • #13
                          Re: Natural gas usage

                          Originally posted by Unregistered View Post
                          I need help converting from mcf to therms.

                          Please help.
                          You need to know the heat content of your natural gas. If plus or minus 5% is good enough, 1 therm is roughly 100 cu. ft, so 10 therm = 1 MCF, approximately.

                          As heat content of gas varies by source, you will need quantitative analysis of your gas to get a better answer.

                          Comment


                          • #14
                            Re: Natural gas usage

                            "So what is a better price to pay for natural gas:
                            $1.569 per ccf or $1.249 per therm ?
                            (not good at math) "

                            1 CCF * 1.025 = therms

                            1.569 dollars/ccf * 1.025 ccf/therm = 1.61 dollars/therm

                            So, $1.569 dollars/ccf would be equivalent to 1.61 dollars/therm
                            That is clearly more expensive then 1.249/therm

                            1 CCF is so close to 1 therm that if you are given a dollars/therm and a dollars/ccf, you can compare them directly.

                            Comment


                            • #15
                              Re: Natural gas usage

                              1 ccf = 1.005 therms. the conversion rate is posted on any nat gas bill

                              Comment

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