Construction
Estimate materials for building projects — concrete, lumber, roofing, rebar, brick, insulation, and asphalt.
12 Tools in Construction
Free construction calculators for concrete, lumber board feet, roofing squares, stairs, rebar, brick, insulation, and asphalt. Built for DIYers and pros.
Concrete Calculator
Calculate cubic yards, cubic meters, and bags of concrete for slabs, footings, and pads.
Use tool →Lumber Board Feet Calculator
Calculate board feet (or timber volume) for lumber pricing and ordering.
Use tool →Roofing Calculator
Estimate roofing squares and surface area based on footprint and roof pitch.
Use tool →Stair Calculator
Calculate the number of risers and treads for a staircase.
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Square Footage Calculator
Quickly calculate area in square feet, square yards, acres, square meters, and hectares.
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Cubic Yard Calculator
Convert length, width, and height into cubic yards or cubic meters for any bulk material.
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Rebar Calculator
Estimate linear feet (or meters) and sticks of rebar for a concrete slab grid.
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Brick Calculator
Calculate how many bricks you need for a wall.
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Insulation Calculator
Calculate how many packages of insulation you need.
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Asphalt Calculator
Calculate tons or tonnes of asphalt needed for driveways and parking areas.
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Gravel Driveway Calculator
Estimate cubic yards, cubic meters, tons, and tonnes of gravel for a new driveway.
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Post Hole Concrete Calculator
Calculate concrete bags needed to set fence or deck posts.
Use tool →Looking for something else? Browse all tools or use the search bar above.