Describe your project. We'll pick the calculator and fill it in.
Type what you're building — "10x12 patio, 4 inches thick" or "mulch for a 30 ft border" — and get exact quantities in one click. 55 free calculators, waste factor built in.
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Jobsite-accurate
ACI, ASTM & manufacturer coverage data
Buys the right amount
Waste factor built into every result
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Which material calculators are free?
All 55 calculators are free, with no signup, including concrete, gravel, mulch, paint and drywall. Together they cover most DIY, landscaping and homeowner projects, returning cubic yards, bags, tons, gallons and sheets instantly.
The most-searched materials on the internet — permanently free, no email required.
Concrete calculator
Cubic yards, 60/80 lb bags & rebar for slabs, footings and columns
301K searches/mo
FreeGravel calculator
Tons and cubic yards for driveways, French drains and pathways
40K searches/mo
FreeMulch calculator
2 cu ft bags and cubic yards for beds, borders and playgrounds
27K searches/mo
FreePaint calculator
Gallons of primer, wall and trim paint with coverage per coat
18K searches/mo
FreeDrywall calculator
4x8 / 4x12 sheets, screws, mud and tape for any room
12K searches/mo
PDF report · $2.99
What do you get in the $2.99 PDF report?
Every calculator is free. Grab a printable PDF with your results, shopping list and project guide for just $2.99.
Everything a contractor, remodeler or estimator needs — tile, flooring, roofing, framing, HVAC, plumbing, electrical and more.
How MaterialCalc works
How does MaterialCalc work?
Pick your material, enter your dimensions and read the quantity — three steps, under a minute. Every calculator converts imperial and metric automatically and applies the waste factor you set, so the number you get is the number you order.
Every calculator uses the same three-step flow — no spreadsheets, no unit conversions in your head, no signup between you and the number you came for.
01
Pick your material
Search by material or project — 55 calculators covering concrete, gravel, mulch, paint, drywall, tile, roofing, framing, HVAC and more.
02
Enter your dimensions
Length, width, depth, pitch or area. Toggle imperial and metric in one click. Set a waste factor (usually 5–15%) so you don't come up short mid-job.
03
Get quantities & cost
Cubic yards, bags, sheets, tons, gallons — plus a dollar estimate using your unit prices, and an optional $2.99 PDF shopping list.
Full library
Which calculator do I need for my project?
All 55 calculators (all free) are grouped by project type below. Pick the material you are buying — concrete, masonry, landscape, paint, flooring, framing, roofing, trim, HVAC, plumbing or electrical.
Organized by project type
Concrete
Slabs, footings, columns, rebarMasonry
Brick, block, mortar, retaining wallsBrick
Estimate bricks and mortar bags for any wall size.
FreeConcrete Block
Estimate concrete blocks (CMU) and mortar for any wall.
FreeMortar
Estimate bags of mortar for brick and block projects.
FreeRetaining Wall
Estimate blocks, capstones and base gravel for a retaining wall.
FreeBlock Fill
Estimate grout to fill CMU block cores.
Landscape
Gravel, mulch, pavers, sod, poolsGravel
Estimate gravel by area and depth in tons or cubic yards.
FreeMulch
Estimate mulch in bags and cubic yards for any bed size.
FreeTopsoil
Estimate topsoil in cubic yards and tons for any project.
FreeSod
Estimate sod in square feet, rolls and pallets.
FreePaver
Estimate pavers, sand and base for any patio.
FreeGrass Seed
Estimate grass seed in pounds for any lawn size.
FreePool Volume
Estimate pool gallons and starting chlorine dose.
FreeFrench Drain
Estimate gravel and pipe for a French drain.
FreePlant Spacing
Estimate plants needed for any bed and spacing.
Paint & wallpaper
Rooms, walls, ceilingsFlooring
Tile, hardwood, carpet, LVPTile
Estimate tiles, boxes and total square footage with waste factored in.
FreeFlooring
Estimate flooring in square feet and boxes with waste included.
FreeCarpet
Estimate carpet in square yards with cost included.
FreeGrout & Thinset
Estimate bags of grout and thinset for a tile job.
FreeVinyl Plank Flooring
Estimate LVP flooring in square feet and boxes.
FreeUnderlayment
Estimate underlayment rolls for any floor area.
Framing & structure
Studs, stairs, rafters, joists, decksDrywall
Estimate sheets, screws, mud and tape for any drywall job.
FreeFence
Estimate posts, panels, rails and concrete for any fence.
FreeDeck
Estimate deck boards, joists and screws for any size deck.
FreeBoard Foot
Estimate board feet for hardwood or dimensional lumber.
FreeWall Stud
Estimate studs and plates for any framed wall.
FreeStair
Estimate risers, treads and stringer length for any staircase.
FreeRafter Length
Estimate common rafter length from run and pitch.
FreeFloor Joist
Estimate joist count and lumber for any floor frame.
FreePlywood Sheathing
Estimate 4×8 plywood or OSB sheets for any surface.
FreeBaluster Spacing
Estimate baluster count and even on-center spacing.
FreeDeck Fastener
Estimate deck screws or nails for any deck size.
Roofing
Shingles, metal, pitch, snow loadRoofing
Estimate roofing squares, bundles and underlayment.
FreeRoof Pitch
Convert roof pitch to angle and area multiplier.
FreeGutter
Estimate gutter length, downspouts and end caps.
FreeMetal Roofing
Estimate metal roofing panels, screws and ridge cap.
FreeSnow Load
Estimate roof snow load in psf and total pounds.
Walls & trim
Crown molding, baseboard, sidingHVAC
BTU, furnace, CFM airflowPlumbing
Water heater, pipe volumeElectrical
Wire gauge, generator sizingLoved by pros & homeowners
Who uses MaterialCalc?
Contractors, remodelers, estimators and DIY homeowners — from weekend deck builds to daily takeoffs. MaterialCalc runs the same math your supplier uses, in the same units as your plans, without a login page.
"I run a small concrete crew. I check my supplier's quotes against MaterialCalc before every pour — it's caught two ordering mistakes this year alone."
"Redid our whole basement — drywall, insulation, paint and flooring all off MaterialCalc. Zero material trips back to the store. That's a first."
"The multi-material bundle export replaced my spreadsheet. Client estimates go out the same day the walkthrough happens."
FAQ
What do people ask about material calculators?
Most questions are about concrete yardage, mulch bags per yard, gravel tons and paint gallons per coat. The answers below give the formula and a worked example for each, so you can order accurately the first time.
What is a material calculator?
A material calculator turns the dimensions of your project — length, width, depth, pitch or area — into the exact quantity of material you need to buy: cubic yards of concrete, bags of mulch, gallons of paint, sheets of drywall, boxes of tile, tons of gravel and so on. MaterialCalc gives you that number, plus a configurable waste factor and an optional cost estimate, in seconds.
Which calculators are free?
Every calculator on MaterialCalc is free with no signup — concrete, gravel, mulch, paint, drywall, tile, flooring, roofing, framing, rebar, HVAC, plumbing, electrical, decking, insulation and more.
What does the $2.99 PDF include?
Under every calculator you can buy a PDF for $2.99 with your results and inputs, a printable shopping list, a step-by-step project guide, pro tips and recommended products. Saving projects and bundles is part of Pro, from $4.95/month.
How do I calculate how much concrete I need?
Multiply length × width × depth in feet, then divide by 27 to convert cubic feet to cubic yards. For a 10 × 10 slab at 4 inches thick, that's 10 × 10 × 0.333 ÷ 27 = 1.23 cubic yards. Add 5–10% for waste and spillage. The concrete calculator does all of this in one step and also gives you 60 lb and 80 lb bag counts for small pours.
How much does a cubic yard of concrete cost in 2026?
In 2026, ready-mix concrete averages $140–$200 per cubic yard delivered in the US, with short-load fees of $50–$150 for orders under 3 yards. Use the concrete calculator to convert dimensions to cubic yards, then multiply by your local ready-mix quote for a delivered price.
How many bags of mulch equal a cubic yard?
A cubic yard is 27 cubic feet, so it takes 13.5 bags of 2 cu ft mulch (or 9 bags of 3 cu ft mulch) to equal one cubic yard. Bulk delivery is almost always cheaper past 3 yards. The mulch calculator shows both bag counts and cubic yards side-by-side so you can compare.
How much gravel do I need for a driveway?
Plan on 4–6 inches of gravel depth for a residential driveway. A 20 × 40 ft driveway at 4 inches deep needs about 10 cubic yards, or roughly 13–15 tons depending on stone weight. The gravel calculator handles the depth, area and tons-per-cubic-yard conversion automatically.
How accurate are the results?
Every calculator uses industry-standard formulas from ACI, ASTM, ENERGY STAR and manufacturer coverage sheets. Results include a configurable waste factor (typically 5–15%) so you buy the right amount without overbuying — and without a return trip mid-job.
Do the calculators work in metric and imperial?
Yes. Every calculator supports both imperial (feet, inches, cubic yards, gallons) and metric (meters, centimeters, cubic meters, liters). Switch systems from the header at any time — your inputs convert automatically, so you never redo a calculation.
Can I use MaterialCalc for professional estimates and client quotes?
Absolutely. Contractors, remodelers and estimators use MaterialCalc for daily takeoffs. Upgrade to Pro to bundle multiple materials into one project estimate and export a branded PDF shopping list you can hand to clients or your supplier.
How do I stop overbuying materials?
Calculate the exact quantity with a waste factor before you order, instead of rounding up at the counter. That single step is what saves the return trip — and the leftover pallet in your driveway.
All calculators are free. Save projects with Pro from $4.95/mo, and download a PDF report and guide for $2.99.