CONSTRUCTION CALCULATORS

Carpentry Calculators

Lumber, board feet, stairs, decking and framing. All tools are free and require no sign-up.

Board Foot CalculatorCalculate lumber volume in board feet. › Lumber CalculatorEstimate boards or joists from length and spacing. › Decking CalculatorEstimate deck boards, rows and fasteners. › Stair CalculatorCalculate risers, treads and comfortable stair dimensions. › Wall Stud CalculatorEstimate wall studs from wall length and spacing. › Board and Batten Layout CalculatorLay out evenly spaced battens across a wall. › Cabinet Door CalculatorCalculate cabinet door face area for panels and finishes. › Check Square CalculatorCheck a rectangular layout using its theoretical diagonal. › Framing CalculatorEstimate framing members from wall length and spacing. › Lumber Weight CalculatorEstimate timber weight from dimensions, quantity and density. › Plywood CalculatorEstimate full plywood sheets needed for a surface. › Rafter Length CalculatorCalculate rafter length and angle from rise and horizontal run. › Trim and Molding CalculatorConvert required trim run into purchasable stock lengths. › Wainscoting Layout CalculatorEstimate panel stiles from wall length and target spacing. ›