Cubic Feet Formula

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Cubic Feet Formula

Postby heaterguy45 » Mon Nov 07, 2005 11:24 pm

Which is correct?

LXWXH or LXWXH/1728

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Postby spider » Tue Nov 08, 2005 1:21 am

What shape of your subject, i.e. cylinder, rectangular, etc...

The formula for volume depends on the shape of subject, whose volume you're trying to calculate.
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Re: Cubic Feet Formula

Postby Guest » Tue Nov 08, 2005 2:26 am

heaterguy45 wrote:Which is correct?

LXWXH or LXWXH/1728

Heaterguy45


For a rectangular solid, L x W x H, and the volume is in the cubic form of the linear dimensions used, ie all dimensions in inches gives cubic inches. If centimeters, the result is cubic centimeters. As long as all three dimensions are in the same units, this is universal.

The 1728 factir in your other formula is the number of cubic inches in a cubic foot. If all your dimensions are inches, then it gives an answer in cubic feet. Personally, I think it is better to treat the conversion of cubic inches to cubic feet as a separate problem. Embedding in the formula makes the formula non-universal and wrong except for the special case of three dimensions in inches and a required answer in cubic feet.
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