Plan your next project with confidence. Estimate concrete, lumber, paint, and tile quantities, calculate square footage, budget labor and material costs, and size electrical and plumbing systems. Useful for contractors, architects, and DIY homeowners alike.
Materials Estimation
5 toolsCalculate the amount of materials needed for construction projects.
Square Footage Calculator
Calculate square footage and area conversions for various shapes including price calculations.
Concrete Calculator
Estimate concrete volume for slabs, footings, columns, and stairs.
Paint Calculator
Estimate the amount of paint needed for your walls and ceilings.
Flooring Calculator
Estimate the amount of flooring material needed for your room.
Tile Calculator
Estimate tiles needed for flooring, walls, or backsplashes, including waste.
More tools
4 toolsTriangle Calculator
Solve any triangle from SSS, SAS, ASA, AAS, or SSA inputs. Calculates all sides, angles, area, perimeter, inradius, circumradius, altitudes, and medians with step-by-step solutions.
Circle Calculator
Calculate all circle properties from radius, diameter, area, or circumference. Includes arc length, sector area, segment area, and chord length with step-by-step solutions.
Pythagorean Theorem Calculator
Free Pythagorean theorem calculator with step-by-step solutions. Find the hypotenuse or missing side of any right triangle. Includes triangle diagram, angles, area, perimeter, and Pythagorean triple detection.
Area Calculator
Calculate the area of 2D shapes including rectangles, triangles, circles, ellipses, trapezoids, parallelograms, rhombuses, regular polygons, sectors, and annuli with step-by-step solutions and unit conversions.