Framing & Structure Calculators

Calculate studs, rafters, headers, and structural framing materials.

Calculate the number of studs needed for wall framing. Accounts for spacing, corners, and openings.

Calculate rafter length, angle, and quantity for your roof framing project.

Size door and window headers by span and load to select the correct built-up lumber or LVL.

Estimate plywood or OSB wall and roof sheathing sheets, squares, and fasteners for framing.

Calculate structural beam size, span, and plies for floor and header loads in wood framing.