Most do-it-yourselfers at some point in time have to figure outhow much board feet of lumber they will need for a given project.Figuring out board feet of lumber can be confusing for someone whohas never had to do it before, or at least not very often. Here isan explanation on how to calculate how many board feet of lumber ina few short steps.Step 1: Gather together a calculator, a pen and some paper. Youwill need these for the math.Step 2: You will need to know that a board foot is a piece ofwood one inch thick, one foot long and one foot wide, and thatlumber is calculated by its rough size. This means a 2 x 4 isactually 1 ½ inches thick.Step 3: Learn the formula (Thickness x Width x Length) / 144, soyou can calculate your board feet. Any lumber can be calculated byusing this simple formu