Material calculators for home projects
Bags or bulk? Get the exact shopping list.
Pick your project and enter the size. You get how many bags or how many yards to buy, the cost at your store's price (or a typical range with the date we checked it), and the math so you can check us.
What are you building?
Each card shows a real answer from that calculator.
ConcreteSlabs, patios, footings, posts10×10 ft slab, 4 in → 62 bags 80 lbGravelDriveways, paths, slab base10×20 ft path, 3 in → 1.85 cu yd ≈ 2.59 tonsPaintRooms, walls, ceilings12×12 ft room, 2 coats → 2 gallonsMulchBeds, borders, tree rings10×20 ft bed, 3 in → 25 bags 2 cu ftTopsoilLawns, raised beds, grading10×10 ft, 4 in → 1.23 cu yd or 45 bagsRoofingShingles, squares, bundles1,500 sq ft roof → 50 bundlesFencePosts, panels, post concrete100 ft, 6 ft privacy → 14 posts 219 pickets
Coming nextDrywall, tile, flooring, deck, pavers and retaining walls.
Why YardSums
01
Bags or bulk, decided
We show the size where delivery gets cheaper than bags, so you don’t overpay or haul 2 tons by hand.
02
Your price, or a dated range
Type the price on your store’s shelf for an exact total. Without it we show a typical national range and the date we checked it.
03
The math, shown
Formula, assumptions and a worked example on every page. Each formula is tested against a hand calculation.