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Thread: A really quick dumb question

  1. #1
    Senior Member LE15-Thumper's Avatar
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    A really quick dumb question

    What's the formula for converting cubic litres to feet or vice versa ?
    I am too lazy to pull out my 25 year old math homework.
    Thanks,
    Dumb dumb Thumper
    LE15-Thumper
    "Give me JBL, or give me death"

  2. #2
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    Quote Originally Posted by LE15-Thumper
    What's the formula for converting cubic litres to feet or vice versa ?
    I am too lazy to pull out my 25 year old math homework.
    Thanks,
    Dumb dumb Thumper
    http://www.digitaldutch.com/unitconverter/

    John

  3. #3
    RIP 2010 scott fitlin's Avatar
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    scottyj

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    RIP 2011 Zilch's Avatar
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    A liter volume assumes 1000 cc of water, since 1 ml @ 4°C=1cc, so 1 cu.ft.=28.32 l.

    Izzat right?

  5. #5
    RIP 2010 scott fitlin's Avatar
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    I dont know!

    Use one of the calculators!
    scottyj

  6. #6
    Senior Seņor boputnam's Avatar
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    Quote Originally Posted by LE15-Thumper
    What's the formula for converting cubic litres to feet or vice versa ?
    Uh, first things first: There are no such animals "cubic liters". Liters are a volume. What you mean is ft3 to liters, or versa-visa.

    ft3 x 28.316 = L
    bo

    "Indeed, not!!"

  7. #7
    Senior Member LE15-Thumper's Avatar
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    I told you, it's been 25 years ! :dont-know



    Quote Originally Posted by boputnam
    Uh, first things first: There are no such animals "cubic liters". Liters are a volume. What you mean is ft3 to liters, or versa-visa.

    ft3 x 28.316 = L
    LE15-Thumper
    "Give me JBL, or give me death"

  8. #8
    lfh
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    Historical garbage...

    Quote Originally Posted by Zilch
    A liter volume assumes 1000 cc of water, since 1 ml @ 4°C=1cc, so 1 cu.ft.=28.32 l.

    Izzat right?
    Zilch, possibly you show your age here Between 1901 and 1964 there was a rather bizarre definition involving the base mass unit and properties of water ("1 liter is the space occupied by 1 kg of pure water at the temperature of its maximum density (3.98 °C) under a pressure of 1 atm."), see http://en.wikipedia.org/wiki/Litre. Prior to, and after this period, 1 liter equals 1 dm^3 by definition. Apart from that, cu.ft. and l (or L) are themselves "historical garbage", since of course neither of them are SI units.

    After this hair splitting, here's how I "remember" the conversion factor:

    1 ft = 12 in
    1 in = 25.4 mm
    1 m^3 = 1000 l

    =>

    (12 * 0.0254)^3 * 1000 = 28.317

    Closing rant: BTW, 'deci' and 'centi' prefixes are also historical garbage, as the recommendation since long is to use 'milli' instead (e.g. m and mm is fine, but not dm or cm, and thus not dm^3 or cm^3 either).

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    RIP 2011 Zilch's Avatar
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    Alas, the hour and the day are not SI units either, apparently.

    I am doomed....

    I don't cube in my head.

    And my 5th decimal place is forever uncalibrated....

  10. #10
    lfh
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    Quote Originally Posted by Zilch
    Alas, the hour and the day are not SI units either, apparently.

    I am doomed....

    I don't cube in my head.

    And my 5th decimal place is forever uncalibrated....

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