Gas cost calculator

Discussion in 'UK DIY' started by Mike Mitchell, Jan 6, 2004.

  1. Given two gas meter readings, e.g. 6789 and 6913, what is the formula
    for calculating the cost of the gas used (using typical UK gas price)?

    MM
     
    Mike Mitchell, Jan 6, 2004
    #1
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  2. Mike Mitchell

    Andy Hall Guest

    On Tue, 06 Jan 2004 09:42:47 +0000, Mike Mitchell
    <> wrote:

    >Given two gas meter readings, e.g. 6789 and 6913, what is the formula
    >for calculating the cost of the gas used (using typical UK gas price)?
    >
    >MM


    Refer to your supplier and ask for their tariff figures or look at
    your last bill. The meter may be measuring in cubic metres or in
    deprecated cubic feet. You can then work out the amount of heat in
    kW.h using the conversion that they give and add in any factors such
    as standing charges. You pay by the kW.h

    Some suppliers charge different prices for the first N kWh




    ..andy

    To email, substitute .nospam with .gl
     
    Andy Hall, Jan 6, 2004
    #2
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  3. Mike Mitchell

    Owain Guest

    "Mike Mitchell" wrote
    | Given two gas meter readings, e.g. 6789 and 6913, what is the formula
    | for calculating the cost of the gas used (using typical UK gas price)?

    On the back of the gas bill

    Gas units used
    multiply by imperial to metric conversion factor of 2.83
    multiply by volume conversion factor of 1.022640
    multiply by calorific value of 40.1 (Megajoules per cubic metre)
    divide by kilowatt hour conversion factor of 3.6
    = kilowatt hours used


    124 units
    x 2.83 = 350.92
    x 1.022640 = 356.86
    x 40.1 = 14390.47
    / 3.6 = 3997 kWh

    @ 2.659 p/kWh = GBP106.29
    + VAT of 5% = 5.31

    Note that some of the factors (esp the calorific value) may vary from time
    to time and place to place.

    Owain
     
    Owain, Jan 7, 2004
    #3
  4. On Wed, 7 Jan 2004 15:14:36 -0000, "Owain"
    <> wrote:

    >"Mike Mitchell" wrote
    >| Given two gas meter readings, e.g. 6789 and 6913, what is the formula
    >| for calculating the cost of the gas used (using typical UK gas price)?
    >
    >On the back of the gas bill
    >
    >Gas units used
    > multiply by imperial to metric conversion factor of 2.83
    > multiply by volume conversion factor of 1.022640
    > multiply by calorific value of 40.1 (Megajoules per cubic metre)
    > divide by kilowatt hour conversion factor of 3.6
    >= kilowatt hours used
    >
    >
    >124 units
    > x 2.83 = 350.92
    > x 1.022640 = 356.86
    > x 40.1 = 14390.47
    > / 3.6 = 3997 kWh
    >
    >@ 2.659 p/kWh = GBP106.29
    >+ VAT of 5% = 5.31
    >
    >Note that some of the factors (esp the calorific value) may vary from time
    >to time and place to place.
    >
    >Owain


    Thanks, Owain!

    MM
     
    Mike Mitchell, Jan 7, 2004
    #4
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