Paint Calculator
Estimate gallons or litres for walls — and optionally the ceiling — with doors and windows deducted, coats and waste included.
Open calculatorDirectory
All Calculators
Eleven free material calculators for the most common home improvement purchases. Each one runs entirely in your browser, supports US and metric units, and rounds results to real purchase quantities.
Available now
Every calculator, grouped by project
Pick the group that matches the job. Each entry states what the tool measures and what it returns.
Flooring Calculator
Room-by-room box estimates for plank, tile, and roll flooring, with named rooms and per-box pricing.
Open calculatorDrywall Calculator
Sheet counts for a room or a known wall area — openings deducted, ceiling optional, any sheet size.
Open calculatorTile Calculator
Tiles or boxes for a floor or wall — fixtures deducted, any tile size, waste for cuts, per-tile or per-box pricing.
Open calculatorOutdoor
Ground cover & landscaping
Area and depth, converted to bulk volume, bags, or rolls.
Landscaping hubGravel Calculator
Gravel and crushed stone for driveways, paths, and beds — rectangles, circles, or multiple areas, with optional weight from bulk density.
Open calculatorMulch Calculator
Mulch for garden beds and tree rings — rectangles, circles, or multiple beds, with whole-bag counts or bulk yardage and cost from your own prices.
Open calculatorTopsoil Calculator
Topsoil for lawns, beds, and filling low spots — rectangles, circles, or multiple areas, with whole-bag counts or bulk yardage and cost from your own prices.
Open calculatorSod Calculator
Sod for new lawns — rectangles, circles, or multiple areas, whole rolls or pallets from your supplier's coverage, priced from your own quotes.
Open calculatorCompost Calculator
Compost for beds, lawns, and tree rings — rectangles, circles, or multiple areas, with whole-bag counts for your bag size or bulk yardage and cost from your own prices.
Open calculatorConcrete Calculator
Volume for rectangular and round pours, estimated both as bagged concrete and as ready-mix delivery.
Open calculatorRoofing Calculator
Roofing materials plane by plane — footprint × pitch factor for each slope, waste allowance, and whole units from the coverage on your product's packaging.
Open calculatorCategories
Project hubs
Each hub pairs its calculator with measurement tips and the guides that go with it.
Roadmap
Planned calculators
On the roadmap, not yet built. We only publish calculators that actually work — these will appear here as they launch.
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