One of the magazines, maybe Popular "Woodworking" or "Woodworking"
recently had an article on how to make one. Essentially, it was a
hooked ruler with columns for the length of the board. The user reads
the width directly to the length for the board feet.
They're not a precision device, so it looked easy. I think he marked
4-5-6-7-8 foot columns, which were doubled for 8-10-12-14-16 foot
boards. He may also have made versions for different thicknesses of
If you can't find the article, you could easily make one with basic math
and the photos from the other links. My local dealer uses rulers that
appear to be shop made.
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.