Spear Builders Tools

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Empowering construction professionals with smart, free, and easy-to-use calculators and planning aids.

Project Cost Estimator

Get a quick, AI-powered estimated cost range for your residential, commercial, or industrial construction projects.

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Project Timeline Generator

Create a basic Gantt-style schedule for your construction project phases and tasks.

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Versatile Area Calculator

Calculate square footage for various shapes (rectangle, triangle, circle) and accumulate totals for complex areas.

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Concrete Calculator

Estimate cubic yards and bags needed for concrete slabs, footings, and more.

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Framing Calculator

Calculate the number of studs, plates, headers, and cripples for your wall framing projects.

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Drywall Calculator

Determine the number of drywall sheets, joint compound, and tape needed for rooms.

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Brick/Block Calculator

Calculate the number of bricks/blocks and mortar required for your masonry walls.

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