Build Material Planner

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 Free · No login · Results in seconds

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.

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Gravel Driveway Calculator

Cubic yards, tons, truck loads and a base-vs-delivered cost range for driveways, paths and pads.

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Concrete Slab Calculator

Bag count or ready-mix cubic yards, gravel sub-base, wire mesh and a cost range for your pour.

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Mulch Calculator

Cubic yards, bag count and a bulk-vs-bags cost comparison for mulch, topsoil or compost.

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Soil Calculator

Cubic yards, bags, weight and cost of topsoil, garden soil or raised bed mix for beds, lawns and fill.

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River Rock Calculator

Tons, cubic yards, bags, landscape fabric and cost of river rock, pea gravel, lava rock or beach pebbles, by rock size.

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Paver Calculator

Paver count, base gravel, bedding sand and a cost range for a patio, walkway or driveway.

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Drywall Calculator

Sheets of drywall, joint compound, tape, screws and a DIY vs. installed cost range for any room.

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Flooring Calculator

Boxes of LVP, laminate or hardwood, or carpet yardage, plus underlayment, trim and a cost for one room or a whole floor.

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Tile Calculator

Tiles and boxes with the grout joint counted, plus bags of thinset and grout and a cost for a floor or wall.

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Baluster Calculator

Baluster count and even spacing for a deck or stair railing, using the 4-inch rule.

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Rebar Calculator

Bar count, total length, weight and a cost range for a concrete slab reinforcement grid.

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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

1

Enter your measurements

Length, dimensions and the details specific to your project — no sign-up required.

2

Get your full plan

Every material, a waste allowance, a cost range, and the assumptions behind the numbers — shown, not hidden.

3

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.