All calculators
Updated Formulas shown
Concrete
Slabs, footings, columns, steps, post holes and bags.
Landscaping & aggregates
Gravel, mulch, topsoil, sand, sod, seed and driveways.
Roofing
Shingles, roof area, pitch and metal panels.
Fencing
Posts, pickets, rails and post concrete.
Decks, lumber & stairs
Deck boards, joists, board feet and stair stringers.
Interior
Paint, drywall, tile, flooring, carpet, wallpaper and insulation.
Masonry & hardscape
Brick, pavers, retaining walls and rebar.
Pools, HVAC & energy
Pool and aquarium volume, AC BTU sizing and electricity cost.
Project cost estimators
Installed-cost ranges for driveways, fences and flooring.
Area & volume conversions
Square feet, acres, cubic yards, tons and metric.