Lumber & Framing calculators
Board feet, wood weight, plywood, studs, rafters and stair calculators for framing and woodworking projects.
- Board Feet CalculatorWork out the board feet of framing, deck or shelf lumber from nominal thickness, width and length, with total length and cost at your price.
- Plywood CalculatorFind how many sheets of plywood or OSB you need for a roof, walls or a floor, what they weigh, the thinnest panel the code allows, and the nails to buy.
- Stair CalculatorPlan a whole staircase before any lumber is cut: count the steps, size each riser, find the total run across the floor and check the code limits.
- Stair Stringer CalculatorWork out risers, riser height, treads, total run, stringer length and stair angle for deck, porch or basement stairs from the total rise.
- Stud CalculatorWork out how many studs a wall needs from its length and on-center spacing, with extra for corners and openings and the plate lumber to buy.
- Wood Weight CalculatorFind the weight of lumber, boards, slabs, logs or board feet for over thirty wood species, dry or freshly cut, from the USDA Wood Handbook.