Calculate Materials.
Build with Confidence.
Professional calculators for accurate material estimation. Free to use — unlock Pro features for detailed cost breakdowns, saved projects, and contractor tools.
All Calculators
Select a calculator below to get started. Each calculator uses industry-standard formulas and includes waste factors.
Concrete Calculator
FoundationCalculate concrete volume and material requirements for slabs, footings, and foundations.
Deck Stain Calculator
ExteriorEstimate deck stain requirements based on deck size and wood type.
Drywall Calculator
InteriorCalculate drywall sheets needed, disposal weight, and material estimates.
Drywall Screw Calculator
InteriorQuickly estimate drywall screw quantities needed for your project.
Exterior Paint Calculator
ExteriorEstimate paint requirements for exterior walls, siding, and trim.
Fence Calculator
ExteriorCalculate fencing materials including posts, rails, and pickets.
Flooring Calculator
InteriorEstimate flooring materials for tile, hardwood, laminate, vinyl, and carpet.
Interior Paint Calculator
InteriorCalculate interior paint requirements for walls, ceilings, and trim.
Mulch Calculator
LandscapingEstimate mulch volume and bags needed for landscaping projects.
Roofing Calculator
ExteriorCalculate roofing materials including shingles, underlayment, and ridge caps.
Siding Calculator
ExteriorEstimate siding materials for exterior wall coverage.
Lap Siding Calculator
ExteriorCalculate lap siding boards, trim, and fasteners with even coursing adjustment.
Backsplash Tile Calculator
InteriorCalculate tiles, grout, thinset, and trim for ceramic, porcelain, glass, marble, and mosaic backsplash projects.
Insulation Calculator
EnvelopeCalculate bags, board feet, or sheets for blown-in fiberglass, cellulose, spray foam, batts, and rigid foam. IECC 2021 code check by climate zone.
Floor Mud Calculator
Tile & MasonryCalculate mortar bed volume, bags, and cement/sand for shower floors, pre-slope layers, and flat floor beds. Correct center-drain geometry formula.
Frequently Asked Questions
Common questions about using our free construction material calculators.
How accurate are these calculators?
Our calculators use industry-standard formulas and include typical waste factors recommended by manufacturers and trade associations. Results are estimates — actual material needs may vary based on site conditions, installer technique, and product-specific coverage rates. Always verify with your supplier before purchasing.
Do I need to create an account to use the calculators?
No account is needed for any of the free calculators. Pro features — such as saved projects, cost breakdowns, and contractor document tools — require a Pro subscription.
What is the waste factor and why does it matter?
A waste factor accounts for cuts, breakage, and installation error. For example, tile layouts typically add 10–15% to cover cuts around edges and obstacles. Skipping a waste factor often means running short mid-project, which can result in dye-lot mismatches or costly delays.
Can I use these calculators on my phone?
Yes. Every calculator is fully responsive and works on phones and tablets. Many contractors use them on-site to generate quick estimates before ordering materials.
How do I get a detailed cost estimate?
Upgrade to Pro to unlock unit cost fields and automatic totals. You can also export results into a professional quote or invoice using the Pro Forms tools.
Calculate. Tap. Send.
That's the whole job.
Run your numbers, tap a document type, and your branded quote is emailed directly to the client —
all from $8.25/month.
Quote, sign, done — from the job site
Finish a calculation, tap Quote, add the client's address, and hit Email. A branded, professional estimate lands in their inbox before you leave the driveway. No printer, no office, no back-and-forth.
Your business, fully organized
Save clients in your Address Book so their info fills in automatically. Keep a Price Book of your supplier rates so line items populate with real numbers — not guesses. One setup, every job.
Know your numbers at a glance
Your monthly dashboard shows forms sent this month, total quoted, and total invoiced. Add markup to see your profit on every job before you send a single document.
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Step-by-step guide to accurately measure walls, calculate square footage, and account for openings. Professional measurement techniques.
When You Need Primer
Industry guidelines on primer requirements with no marketing BS. Learn when primer is required, optional, or unnecessary.
Choosing the Right Paint Sheen
Complete comparison of flat, eggshell, satin, semi-gloss, and gloss finishes with room-by-room recommendations.
Complete Interior Painting Guide
Professional start-to-finish painting guide covering planning, prep, application, and finishing. Industry standards throughout.
All guides based on industry standards from ACI, NWFA, PDCA, PCA, MPI, NRCA and more
Don't Forget Waste Removal
After calculating materials, plan for debris disposal with our Right Dumpster — Free tool to find the perfect container size and avoid overage fees.