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Tank capacity

  1. Mar 12, 2004 #1


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    Dont know if this is the right forum for this question, let me know if its not!
    Im designing a car and i need a 50 litre fuel tank. Can anyone tell me what the dimensions of the fuel tank would need to be?
  2. jcsd
  3. Mar 12, 2004 #2


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    Science Advisor

    We can't answer this without more information on the shape you want. You could make a long skinny tank or a cubic tank to hold exactly the same amount.

    In any case, you should know that a litre is defined as 1000 cubic centimetres. A 50 litre fuel take would be 50000 cubic centimetres. If you made one in the shape of a cube, each side one have to be "cube root of 50000"= 36.8 centimeters, a little more than 1/3 of a metre, on each side. On the other hand, if you made the tank in the shape of a sphere, it would have to be about 11.5 cm in diameter.
    For a general rectangular tank, you need to find three convenient numbers whose product is 50000- those will be the dimensions in cm.
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