Measure the job.
We count the bags.
Enter slab, fence, roof, or room dimensions — get an exact shopping list in real retail packaging (80-lb bags, 4×8 sheets, bundles, tons) plus an itemized cost range you can edit and print.
Start from your project.
Concrete & Landscaping
Slab, patio, and driveway takeoffs that come back as cubic yards, bag counts, base gravel and bedding sand — never just one line item.
ConcreteSlab costPaversGravel4 CALCULATORSBuilding & Exterior
Run lengths and footprints in; posts, rails, pickets, squares and bundles out — priced low / typical / high with labor broken out.
FenceFence costDeck costRoofingGarage5 CALCULATORSInterior & Remodeling
Rooms in; gallons, sheets and boxes out — plus itemized kitchen, bath and basement budgets scaled to scope and finish level.
PaintDrywallFlooringKitchenBathBasement6 CALCULATORSPopular calculators.
Concrete Calculator
Slabs, footings and columns to cubic yards and exact bag counts.
CONCRETE↔ SLAB COSTGravel Calculator
Area and depth to cubic yards and tons, bulk vs bagged.
LANDSCAPINGPaver Calculator
Paver count plus base gravel, bedding and polymeric sand.
LANDSCAPINGFence Calculator
Posts, rails, pickets and concrete bags from a run length.
EXTERIOR↔ INSTALL COSTRoofing Calculator
Squares and bundles with real pitch multipliers.
EXTERIORPaint Calculator
Gallons and primer by room, openings, coats and texture.
INTERIORDrywall Calculator
Sheets plus mud, tape and screws for any room.
INTERIORFlooring Calculator
Boxes needed with layout-specific waste factors.
INTERIORWe show our work. Every time.
No black boxes. Every calculator prints its formula, names its waste factor, and labels every price as an editable national average with a review date.
Measure once
Enter dimensions the way you'd call them out on site — feet and inches, run lengths, roof pitch. Defaults are sane, never hidden.
We run the published math
Formulas and coverage rates from manufacturer install guides and trade references.
Buy exactly enough
Results land in retail packaging — bags, sheets, bundles, tons — next to a cost range built from prices you can overwrite with your supplier's quote.
Read before you buy.
How to Estimate Materials for Any Home Project
The five-step takeoff method behind every estimate on this site: measure the real surface, convert units, divide by coverage, add waste, round up to retail packaging.
JULY 2026 · TALLYTAKEOFF EDITORIALREFERENCEWaste Factors Explained: Typical Rates by Material
Typical waste percentages for flooring, tile, drywall, shingles, concrete, pavers and lumber — what drives each figure, and why compaction is not waste.
JULY 2026 · TALLYTAKEOFF EDITORIALStop guessing at the lumber aisle.
Fifteen calculators. Every formula shown. Every price editable.
Browse all calculators