Calculating dimensions into cubic feet

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Calculating dimensions into cubic feet

Postby cjc » Wed Sep 06, 2006 5:14 am

How do i calculate width, length, and height into cubic feet?
Example 13" x 17" x 12 3/4".
cjc
 

Postby Dirtman » Wed Sep 06, 2006 11:20 am

Multiply the three together. As the lengths are in inches, divide the result by 1728. The answer is cubic feet.

If you're wondering, 1728 in the amount of cubic inches in one cubic foot (12^3).

13" * 17" * 12-3/4"
13 * 17 * (12 + (3 / 4))
13 * 17 * 12.75 = 2817.75 cubic inches / 1728 = 1.63 cubic feet

You can also convert the inches into feet before the calculation. In this case, don't divide by 1728 as the cubic measure is already in feet.

(13/12) * (17/12) * (12.75/12)
1.0833 * 1.4167 * 1.0625 = 1.63 cubic feet

George
Dirtman
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Posts: 574
Joined: Sat Jan 21, 2006 2:04 pm
Location: California

Re: Calculating dimensions into cubic feet

Postby ben » Sun Sep 17, 2006 6:07 am

how do i calculate cubic feet into centimeters.... for like a subwoofer box...?
ben
 


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