Construction / 06 calculators

Framing & Lumber

Check spans and estimate studs, boards, headers, rafters, joists, and decking with stated structural assumptions.

Look up deck or floor joist spans with species, grade, size, spacing, load, service, treatment, and code edition shown.

Check rafter span assumptions and calculate rafter length from run, pitch, overhang, and ridge allowance.

Review preliminary beam span choices with load, species, grade, ply count, and use case stated.

Prepare preliminary opening and load inputs before checking an approved header table or engineered design.

Estimate wall studs from wall length, on-center spacing, corners, openings, and waste.

Calculate board feet from nominal thickness, width, length, quantity, and waste.

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