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Help figuring board feet
http://mowrystrings.luthiersforum.com/forum/viewtopic.php?f=10123&t=23493
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Author:  Mike Baker [ Tue Aug 18, 2009 12:45 pm ]
Post subject:  Help figuring board feet

Hi! I've been looking all over for a place to source decent wood for solidbody guitars. I've finally found a source, and the prices are decent, but I need help. Those of you who do this regularly know that the wood is sold by the board foot. What I'd like to know is, how do I figure how many guitars per board foot, or alternatively, what length of board equals how much board foot.
For example, they have 8/4 lumber that is 6" wide, and 8/4 that is 10" wide. How do I figure out how many bdft per foot of length of each.
Thanks.

Author:  Lillian F-W [ Tue Aug 18, 2009 12:53 pm ]
Post subject:  Re: Help figuring board feet

The formula for figuring out board footage is:

(Thickness x Width x Length) / 144 = Board Feet

Figuring out how many guitars in a board will depend on your design.

Author:  Mike Baker [ Tue Aug 18, 2009 1:01 pm ]
Post subject:  Re: Help figuring board feet

Lillian F-W wrote:
The formula for figuring out board footage is:

(Thickness x Width x Length) / 144 = Board Feet

Figuring out how many guitars in a board will depend on your design.


Lillian F-W, thanks for the help. Another question, and please don't think I'm an idiot, but..... I understand thickness x width x length, but what does /144+=board feet mean?
Thanks again.

Author:  SteveCourtright [ Tue Aug 18, 2009 1:18 pm ]
Post subject:  Re: Help figuring board feet

Mike,

Think inches. All of the measurements are in inches. Divide result by 144 = board feet.

Ex: 12" length X 12" width X 1" thick = 144

144/144 = 1 board foot

Author:  Mike Baker [ Tue Aug 18, 2009 1:21 pm ]
Post subject:  Re: Help figuring board feet

Thanks, Steve and Lillian. Much appreciated!

Author:  Dave Stewart [ Tue Aug 18, 2009 3:22 pm ]
Post subject:  Re: Help figuring board feet

Another way to think of it Mike, easier to visualize, ....a board foot is just a square foot that's 1" thick. So in your first example, an 8/4 board 6" wide is just like a 4/4 (1") board 12" wide... 1 board foot per foot of length.

Author:  Mike Baker [ Tue Aug 18, 2009 9:19 pm ]
Post subject:  Re: Help figuring board feet

Thanks, Dave.

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