Know what your project needs before you buy anything
Answer a few measurements and get the materials, a waste-adjusted shopping list, a cost range and a clear next step — for fences, driveways, slabs, patios, drywall, flooring, tile and more.
Choose your calculator
Every one is free, needs no login, and gives a full materials + cost plan.
Fence Calculator
Posts, rails, pickets or panels, concrete, hardware and a materials cost range for wood or vinyl fencing.
Open calculator →Gravel Driveway Calculator
Cubic yards, tons, truck loads and a base-vs-delivered cost range for driveways, paths and pads.
Open calculator →Concrete Slab Calculator
Bag count or ready-mix cubic yards, gravel sub-base, wire mesh and a cost range for your pour.
Open calculator →Mulch Calculator
Cubic yards, bag count and a bulk-vs-bags cost comparison for mulch, topsoil or compost.
Open calculator →Soil Calculator
Cubic yards, bags, weight and cost of topsoil, garden soil or raised bed mix for beds, lawns and fill.
Open calculator →River Rock Calculator
Tons, cubic yards, bags, landscape fabric and cost of river rock, pea gravel, lava rock or beach pebbles, by rock size.
Open calculator →Paver Calculator
Paver count, base gravel, bedding sand and a cost range for a patio, walkway or driveway.
Open calculator →Drywall Calculator
Sheets of drywall, joint compound, tape, screws and a DIY vs. installed cost range for any room.
Open calculator →Flooring Calculator
Boxes of LVP, laminate or hardwood, or carpet yardage, plus underlayment, trim and a cost for one room or a whole floor.
Open calculator →Tile Calculator
Tiles and boxes with the grout joint counted, plus bags of thinset and grout and a cost for a floor or wall.
Open calculator →Baluster Calculator
Baluster count and even spacing for a deck or stair railing, using the 4-inch rule.
Open calculator →Rebar Calculator
Bar count, total length, weight and a cost range for a concrete slab reinforcement grid.
Open calculator →Run a website for DIYers or contractors? Add any of these calculators to your pages, free →
Comparing tools? See how the best gravel driveway calculators and best paver calculators stack up.
Pricing a job? Check current gravel prices per ton and per yard, or the concrete needed for common slab sizes.
How these construction calculators work
Enter your measurements
Length, dimensions and the details specific to your project — no sign-up required.
Get your full plan
Every material, a waste allowance, a cost range, and the assumptions behind the numbers — shown, not hidden.
Take the next step
A printable shopping list, plus the option to get delivery or installation quotes.
Why not just use a generic calculator?
Most calculators stop at a single number — cubic yards, or a bag count. A real project needs more than that: what to actually buy, roughly what it costs, and what to do next. Every calculator here shows its formulas and assumptions, applies a waste allowance so you don't come up short, and separates a DIY estimate from the alternative (delivery, ready-mix, or professional installation) so you can compare.
What this isn't
These calculators are not contractor quotes, engineering advice, or a code compliance check. Prices are national-average ranges, not live local pricing. Use them to plan and budget — then confirm final quantities, local requirements and pricing with your supplier or contractor before you buy.
Frequently asked questions
Is Build Material Planner really free?
Yes. Every planner result — materials, waste-adjusted quantities, cost range and shopping list — is free with no account or login required.
How accurate are the cost estimates?
Estimates use national-average retail and delivery price ranges, not live local quotes. Treat them as a planning range to budget against — local pricing varies by region and supplier.
Do these planners replace a contractor quote?
No. They estimate materials and typical costs for planning purposes. They are not engineering advice, a code compliance check, or a substitute for a written contractor quote.