Free
Free calculators
No sign-up, nothing to buy. Results update as you type, links share your numbers, and every calculator prints a clean summary.
Contractor material calculators ↓
For makers
3D print cost calculator
Everything that goes into a print — multi-color filament and purge, power, printer wear, labor, packaging and fees — with a suggested price.
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Filament length ↔ weight converter
Meters ↔ grams for any material and diameter, filament left on a spool, and cost per meter.
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For sellers
For service businesses
Contractor calculators
Full material takeoffs — every part for the job, with editable coverage, sizes and waste, your own prices for a cost estimate, and a printable list. Estimates only; verify with manufacturer specs and local code.
Roofing
Shingle roofing calculator
Squares, bundles and every accessory — starter, cap, underlayment, ice & water, flashing, vents, nails, decking and tear-off.
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Roofing
Metal roofing calculator
Panel cut list for every plane, plus trim, closures, sealant, screws or clips, underlayment and purlins.
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Siding & exterior
Siding calculator
Walls and gables minus openings, siding by the box or piece, corners, J-channel, starter, house wrap, tape and nails.
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Siding & exterior
Soffit, fascia & trim calculator
Soffit panels by overhang depth, fascia, F-channel, window and door casing, corner boards and trim coil.
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Siding & exterior
Gutter & downspout calculator
Gutter, hangers, end caps, miters, outlets, downspouts, elbows, straps, sealant and guards.
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Interior
Drywall calculator
Sheets for walls and ceilings, plus screws, joint compound, tape, corner bead and primer.
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Interior
Paint calculator
Gallons for walls, ceilings, trim and primer — with the cans to buy and supplies.
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Interior
Flooring & tile calculator
Boxes with layout waste, tile setting materials, underlayment, shoe molding and transitions.
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Interior
Baseboard & interior trim calculator
Baseboard, shoe, crown, chair rail and casing — planned onto your stick lengths.
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Interior
Insulation calculator
Batt bags by R-value and framing, and blown-in bags and depth to reach your attic R-value.
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Concrete & landscape
Concrete calculator
Yards or bags for slabs, footings, walls and holes — with rebar, forms, gravel base and vapor barrier.
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Concrete & landscape
Gravel, mulch & topsoil calculator
Cubic yards, tons and bags for any area and depth — with truckloads, fabric and edging.
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Decks, fences & framing
Deck calculator
Boards, framing, footings, hardware, railing and stairs for a rectangular deck.
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Decks, fences & framing
Fence calculator
Posts, concrete, rails and pickets, panels, or chain link fabric and fittings — with gates.
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Decks, fences & framing
Wall framing calculator
Studs, plates, headers, sills, sheathing and fasteners for wall layouts with openings.
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