Engineering / Material math.
Materials
Drywall, paint, masonry, rebar, lumber, and concrete estimating for builders, estimators, and DIYers.
23 tools available
Drywall Sheets, Mud & Screws Estimator
Compute drywall sheets, joint compound, tape, and screws.
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Paint Coverage & Gallon Estimator
Estimate gallons of paint, primer, and prep.
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Board Feet & Lumber Cost
Compute board feet, cost, and fall-off vs. vendor counts.
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Linear Feet vs Board Feet Converter
Convert between BF and LF for any nominal size.
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Compound Miter & Crown Angle Calculator
Get miter and bevel for any crown or picture frame.
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Wood Shrinkage & Movement Calculator
Estimate dimensional change across moisture content.
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Stair Stringer Diagram Generator
Visualize the cut layout and printable diagram.
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Mortar Mix Ratio Calculator
Get Portland, lime, and sand batched by mix type.
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Brick & CMU Block Counter
Estimate brick, block, mortar, and grout.
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CMU Grout Volume Calculator
Estimate grout for bonded or unbonded CMU cells.
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Wall Area & Material Estimator
Compute wall SF net of openings.
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Simple Bar-Chart Schedule Builder
Lay out a small job's milestone Gantt without MS Project.
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Ladder Angle & Pitch Safety Checker
Validate a ladder against OSHA 1910.23.
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Fall Clearance & Anchor Height Calculator
Compute required fall clearance per OSHA.
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Daily Construction Report Builder
Generate a printable site-log from a daily form.
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Bid Markup & Margin Calculator
Compute sell price, gross profit, and tax.
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Labor-Hours Per Task Estimator
Estimate crew days, man-hours, and labor cost.
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OSHA Stair & Guardrail Compliance Checker
Validate stair dimensions and guardrails against OSHA 1910.
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Concrete Bag Count Calculator
Count 60-lb, 80-lb, or bag-calculator-ready mixes for any pour.
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Stucco & Plaster Coverage Estimator
Coverage, bags, and labor for scratch, brown, and finish coats.
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Roof Shingle Squares Estimator
Count shingle squares, starter, ridge cap, and felt underlayment.
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Ceiling Tile & Grid Estimator
Count 2x2 / 2x4 tiles, grid mains, tees, and wire.
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Fence Material Estimator
Posts, rails, pickets, concrete, and gates for any fence run.
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