linear ft to cubic ft

Questions and answers on how to convert things from one unit or system to another
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linear ft to cubic ft

Postby james » Wed Feb 21, 2007 10:35 pm

:? if i have a plank of timber 12 ft long by 9 inchs wide by 2 inches thick how do i find out how many cubic feet are in that plank?

Postby Dirtman » Thu Feb 22, 2007 11:22 am

First, convert to like terms. In this case, I would convert to feet. To do that, divide inches by 12 (inches):

9 / 12 = 0.75 feet
2 / 12 = 0.167 feet

Now, multiply all three together to obtain cubic feet:

12' * 0.75' * 0.167' = 1.50 cubic feet
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