Calculators
Workshop math, organized. Live tools are ready to use; the rest are on the build list.
Lumber
Lumber
Board Feet
Calculate board footage for hardwood lumber by thickness, width, and length. Includes price-per-bf cost estimate.
Lumber · planned
Wood Movement
Estimate seasonal expansion and contraction by species and humidity change.
Lumber · planned
Lumber Cost
Total project lumber costs across multiple boards, species, and prices.
Shop
Shop · planned
Shelf Sag
How much will that shelf bend? Calculate deflection by span, load, and material.
Finishing
Finishing · planned
Finish Coverage
How much stain, poly, or oil for your square footage and number of coats.
Joinery
Joinery · planned
Pilot Hole
Correct pilot hole diameter for any screw size and wood species.