Trade material calculators
Ten calculators on one deterministic engine. Pick your trade, enter the dimensions, set the waste factor, and get the calculated quantity, the waste-adjusted quantity and a recommended order quantity in the units your supplier sells.
No AI decides your quantities — every number comes from the formulas and assumptions shown on the result. Nothing here requires a paid plan.
Insulation
Batt, blown, rigid board and spray foam
Roofing
Squares, bundles and accessories
Drywall
Sheets, screws, tape and compound
Framing
Studs, plates, headers and blocking
Concrete
Volume, ready-mix and bags
Painting
Litres, gallons and containers
Decking
Boards, joists, beams and posts
Flooring
Area, boxes and underlayment
Siding
Pieces, starter, corners and trim
Fencing
Posts, rails, pickets and concrete
Estimating tool only. Quantities are calculated from the inputs and assumptions shown, including an editable waste factor. Verify against project plans, specifications, site measurements and the manufacturer's published coverage/bundle data before ordering.