To start figuring bd ft, every thing in inches.
1 bd ft, 1"x12"x12". = 144"
If you have a pc 2"x3"x40" multilply it as it is written, 2x3x40= 240.
divide the 240
, and that will give you bd feet. My reason for selling my wood that way, is because I bought it that way.
My first sale was to a retired building contractor. I thought there, this fella will know how to figure bd feet, well we ended up calling the local lumber yard. The man at the lumber yard had to go and look it up. So I called my sister, she is married to a carpenter, and I know she cyphers it out for him. She filled me in, now I'm an expert.
But give me a couple days after the butternut is all gone, and I'll have to call my sister again. Cheers