22 professional calculators for DIYers and contractors. Get instant material estimates and cost projections — no sign-up required.
Gallons needed for walls & ceilings, with cost estimates.
Material & cost for hardwood, laminate, tile & carpet.
Tiles, grout & thinset for any surface.
Rolls with pattern repeat.
Sheets, screws & joint compound.
Batt/roll quantity & R-value.
Cubic yards & bags for slabs.
Boards, joists, screws & total cost.
Posts, panels & concrete needed.
Tons & volume for driveways.
Bags or yards for garden beds.
Stones, sand & base material.
Volume & weight for projects.
Volume for lawns & garden beds.
Tons needed for driveways.
HomeCalc provides free, accurate calculators for home improvement, construction, and DIY projects. Whether you're painting a bedroom, pouring a concrete slab, or building a deck, our calculators help you buy the right amount of materials — no waste, no extra trips to the store.
All calculators work entirely in your browser. No sign-up, no downloads, no data collection. Results are estimates based on industry-standard coverage rates and waste factors.