The tool library
Project calculators, organized by the work.
Choose a focused tool, enter real dimensions, and keep the assumptions visible from first measure to material order.
Find the right calculator
Search by job or material.
01
Foundations & pours
Concrete
Plan slabs, footings, columns, and bagged mixes with practical waste allowances. View category guide →
Concrete Slab CalculatorEstimate concrete volume and ready-mix requirements for a rectangular slab.Concrete Footing CalculatorPlan continuous footings with clear length, width, and depth measurements.Concrete Column CalculatorEstimate material for round and rectangular structural columns.Concrete Bag CalculatorTurn a project volume into practical 40, 60, or 80 lb bag quantities.Concrete Steps CalculatorEstimate solid concrete step volume from step count, rise, run, and width.Concrete Weight CalculatorEstimate concrete weight from measured volume and an editable mix density.
02
Brick, block & mortar
Masonry
Estimate masonry units, mortar, grout fill, and modular wall materials. View category guide →
Brick CalculatorEstimate modular brick count from net wall area, brick size, joints, and waste.Concrete Block CalculatorEstimate concrete masonry units from wall dimensions, openings, and block size.Mortar CalculatorTurn brick or block quantity into mortar bags using editable labeled yield.Concrete Block Fill CalculatorEstimate masonry grout bags from block count, filled cores, and labeled yield.
03
Walls, floors & finishes
Surfaces
Measure paint, tile, flooring, drywall, grout, and wallpaper without guesswork. View category guide →
Paint Coverage CalculatorEstimate wall and ceiling paint with coats, doors, windows, and waste included.Flooring CalculatorPlan flooring area, cartons, and a sensible cutting allowance.Carpet CalculatorEstimate carpet area, roll length, seams, and a practical installation allowance.Tile CalculatorEstimate tiles by room and tile size, including grout joints and overage.Grout CalculatorEstimate grout coverage from tile dimensions, thickness, and joint width.Drywall Sheet CalculatorWork out sheet count for walls and ceilings with openings deducted.Drywall Compound CalculatorPlan joint compound for taping, finishing, and a chosen finish level.Insulation CalculatorEstimate insulation area and package count for walls and ceilings.Wallpaper Roll CalculatorEstimate single and double rolls while accounting for pattern repeat.Thinset Mortar CalculatorEstimate tile mortar packages from area, applications, and product coverage.Trim & Molding CalculatorEstimate linear trim and stock pieces from room perimeter and doorways.Epoxy Floor CalculatorEstimate epoxy coating kits from floor area, coats, and labeled coverage.Sealant & Caulk CalculatorEstimate cartridges from joint length, width, depth, and package volume.
04
Ground & garden
Landscape
Turn awkward outdoor measurements into useful bulk and bagged quantities. View category guide →
Mulch CalculatorConvert bed dimensions and target depth into bulk or bagged mulch.Gravel CalculatorEstimate gravel volume and weight for paths, driveways, and drainage.Topsoil CalculatorPlan topsoil for lawns and raised beds with settling allowance.Paver CalculatorEstimate pavers, bedding sand, and edge length for patios and paths.Paver Base CalculatorEstimate compacted aggregate base volume for patios, paths, and pavers.Sand CalculatorEstimate sand volume, bulk weight, and cost from area, depth, and density.Retaining Wall Block CalculatorEstimate wall blocks and cap units from wall face and product dimensions.Grass Seed CalculatorEstimate seed bags for a new lawn or overseeding from labeled coverage.Sod CalculatorEstimate sod rolls, slabs, and pallets from lawn area and local unit coverage.Polymeric Sand CalculatorEstimate jointing sand bags using paved area and manufacturer coverage.Landscape Rock CalculatorEstimate decorative rock volume, weight, and cost with editable density.Pond Volume CalculatorEstimate pond water capacity from plan dimensions, average depth, and shape.Pond Liner CalculatorSize a rectangular pond liner with depth and edge overlap included.Pool Volume CalculatorEstimate rectangular or oval pool water volume from average depth.Asphalt CalculatorEstimate compacted asphalt tonnage and cost from area, depth, and density.Asphalt Sealer CalculatorEstimate driveway sealer pails from area, coats, and product coverage.
05
Framing & layout
Structure
Work through decks, fences, roof geometry, stairs, and dimensional lumber. View category guide →
Deck Board CalculatorPlan deck boards with board width, spacing, orientation, and waste.Fence CalculatorEstimate panels, posts, rails, and concrete from a fence run.Roof Pitch CalculatorRead pitch, angle, rafter length, and slope factor from rise and run.Stair Rise & Run CalculatorExplore a clear stair layout from total rise and available run.Board Foot CalculatorEstimate dimensional lumber volume across multiple board sizes.Plywood & OSB Sheet CalculatorEstimate sheet count from surface area, panel dimensions, and cutting allowance.Wall Stud CalculatorEstimate wall studs from length, spacing, openings, corners, and allowance.
06
Roofing & coatings
Exterior
Plan siding, roof materials, sheathing, rafters, stains, and exterior maintenance. View category guide →
Siding CalculatorEstimate siding cartons from walls, gables, openings, and package coverage.Roof Shingle CalculatorEstimate roofing squares and shingle bundles from plan area and roof slope.Roof Sheathing CalculatorEstimate roof panel count from plan area, slope factor, and net sheet coverage.Rafter Length CalculatorCalculate simple common-rafter geometry and total stock length without structural sizing.Deck Stain CalculatorEstimate deck stain from floor and rail area, coats, coverage, and waste.Fence Stain CalculatorEstimate stain for one or both fence faces with coats and product coverage.
07
Scope & budget
Planning
Turn an early renovation scope into a transparent, adjustable planning budget. View category guide →
Home Renovation Cost CalculatorBuild an editable renovation budget from floor area, rooms, local pricing, and contingency.Square Footage CalculatorCombine rectangular, triangular, and circular sections into one project area.Cubic Yards CalculatorConvert area and depth into cubic yards or cubic meters with an editable allowance.