Woodworking calculators that show their work

A board foot is the unit hardwood lumber is sold in: one board foot is 144 cubic inches, the...

Lumber is quoted three different ways depending on the supplier: priced per board foot for...

Cubic feet measure the space a box-shaped object fills. Enter a length, width, and height in...

Board feet measure volume and linear feet measure length, so converting between them needs the...

Knowing how much a board or finished piece weighs helps you plan shipping, size joinery and...

Before a log reaches the sawmill, buyers and sellers need to estimate how many board feet of...

A loaded shelf bows in the middle, and past a certain point that sag looks bad and eventually...

A wood screw resists being pulled straight out by the threads biting into the surrounding...

Wood is hygroscopic: it gives up and takes on moisture with the seasons, and shrinks or swells...

Wood is hygroscopic, so it constantly gives up or takes on moisture until it reaches...

Knowing how wet your lumber is tells you whether it is ready to use and how much it may still...

Building a picture frame, a hexagon box, or a segmented bowl ring all come down to one number:...

Cutting crown molding is tricky because the trim sits at an angle to both the wall and the...

When a project calls for a long list of parts cut from standard stock lengths, fitting them...

Covering a deck takes more boards than a quick guess suggests, because each board has a width...

Firewood is sold by the cord, but stacks come in all shapes and the word cord gets used...

Buying finish is easy to get wrong: too little stops a job halfway, too much wastes money and...