Blueprint Scale CalculatorConvert between blueprint (scale drawing) measurements and real-world sizes. Pick a scale and enter a length to scale it up […]Board Foot CalculatorCalculate board feet for hardwood lumber. Enter the thickness, width, and length to get board feet per board and the […]Ceiling Area CalculatorEstimate ceiling area and the drywall sheets or ceiling tiles to cover it. Enter the ceiling size and pick a […]Circle Area CalculatorCalculate the area and circumference of a circle. Enter the diameter or radius to size round patios, tabletops, rugs, or […]Cut List CalculatorWork out how many stock pieces you need for a set of equal cuts, including saw kerf. Enter the stock […]Diagonal Pythagorean CalculatorFind a diagonal or check a layout for square using the Pythagorean theorem. Enter two sides; add your measured diagonal […]Linear Foot CalculatorCalculate linear feet for trim, lumber, fencing, or molding. Enter the total length, pick a stock piece length, and add […]Material EstimatorEstimate how many boxes, bags, or rolls you need to cover an area. Enter the area, the coverage per unit, […]Miter Angle CalculatorFind the miter saw angle for a corner or an equal-sided frame. Enter a corner angle, or the number of […]Project Cost CalculatorEstimate the total cost of a DIY or remodel project. Enter materials, labor, any other costs, and a contingency to […]Room Area CalculatorFind a room floor area and perimeter at once. Enter the room size to get square footage for flooring and […]Square Footage CalculatorCalculate square footage from a length and width in any common unit. Add a quantity for repeated areas, a waste […]Wall Area CalculatorFind the paintable wall area of a room. Enter the room size, ceiling height, and how many doors and windows […]Waste Factor CalculatorAdd a waste factor to any material quantity. Enter what you need and a waste percentage to get the total […]