Construction Calculators
Concrete, lumber, framing, paint, and jobsite calculators.
Carpentry & Trim
Concrete & Masonry
Painting & Finishing
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More Construction Tools
Concrete PSI Calculator
Convert a cylinder or cube break-test load into concrete compressive strength in psi and MPa, and compare it to your design strength.
Open tool →Deck Board Spacing Calculator
Calculate how many deck boards you need and the exact gap spacing for even board distribution across your deck width.
Open tool →Drywall Mud Calculator
Estimate the drywall joint compound you need for a project, including coats, coverage, waste, and container count.
Open tool →Fence Picket Spacing Calculator
Find how many fence pickets you need and the exact gap between them so your boards land evenly from post to post.
Open tool →Gravel Calculator Tons
Estimate gravel volume, weight in tons, and material cost from your project area, depth, gravel type, and price per ton.
Open tool →Gutter Size Calculator
Size gutters and downspouts fast enter roof dimensions, pitch, and rainfall intensity to get the right gutter width.
Open tool →Lumber Shrinkage Calculator
Estimate how much a board will shrink or swell as its moisture content changes, by species, grain orientation, and target MC.
Open tool →Rebar Spacing Calculator
Calculate rebar counts and actual spacing for a rectangular slab using its dimensions, edge cover, and maximum bar spacing.
Open tool →Roof Pitch to Degrees Calculator
Convert any roof pitch expressed as rise over run into degrees, slope percentage, and the standard x:12 ratio.
Open tool →Tile Grout Calculator
Calculate the grout volume needed for tiled areas using tile size, joint width, joint depth, coverage area, and waste allowance.
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