Calculators for this trade
Framing Calculators
Plan framing layouts from real jobsite measurements: studs, basement walls, joists, spacing marks, openings, lumber quantity, and sheet goods. Built for carpenters who need fast checks without spreadsheet setup.
10 free tools. No signup, no paywall. Just fixed formulas, waste allowances, and jobsite notes you can check.
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Start with the framing job you are checking, then open the calculator that matches your measurement. Related tools stay together, from quick layout checks to material counts and early cost estimates.
Framing calculators
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Wall Framing Calculator
Stud calculator for 2×4 or 2×6 wall framing at 16″ / 24″ on-center, or 400 / 600 mm metric, with waste.
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Stud Count Calculator
Focused stud calc for 2×4 and 2×6 walls at 16″, 24″, 400 mm, or 600 mm on-center spacing with waste.
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Wall Framing Openings Calculator
Plan extra framing around doors and windows: king studs, jack studs, headers, sills, and cripples.
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Basement Wall Framing Calculator
Estimate basement wall studs, treated bottom plates, top plates, simple opening allowances, waste, and wall area.
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Rough Opening Calculator
Calculate door and window rough openings, header cut length, king studs, jack studs, and framing layout notes.
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Floor Joist Calculator
Estimate floor joist count, spacing layout, rim boards, blocking pieces, linear framing length, and rough material cost.
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On-Center Spacing Calculator
Layout studs, joists, rafters, pickets, or blocking marks from a run length, on-center spacing, offset, waste, and cost.
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Board Foot Calculator
Lumber quantity and cost from pieces, thickness, width, length, waste, and price per board foot.
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Plywood Sheathing Calculator
Estimate plywood or OSB sheets, net coverage area, waste allowance, and sheet material cost.
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Sheathing Fasteners Calculator
Estimate plywood or OSB sheathing screws and nails from sheet count, edge spacing, field spacing, box count, waste, and cost.
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