Framing & Lumber Calculators
Browse $15 calculators in this category — organized by project group, with each tool featuring its own formula, worked example and technical diagram. All calculators run 100% in your browser — no backend, no tracking. US customary default with metric where useful.
$15 calculators · $3 groups
Framing & Studs
Framing Calculator
Calculate framing count and spacing — how many pieces and equalized centers with waste for US layouts.
OpenWall Framing Calculator
Calculate wall framing count and spacing — how many pieces and equalized centers with waste for US layouts.
OpenStud Calculator
Calculate stud count and spacing — how many pieces and equalized centers with waste for US layouts. Enter fram
OpenStud Spacing Calculator
Calculate equal center spacing from length and member count — for framing projects. Enter framing dimensions t
OpenLumber
Lumber Calculator
Calculate lumber count and spacing — how many pieces and equalized centers with waste for US layouts.
OpenLumber Cost Calculator
Estimate lumber cost — material, quantity and price with waste. Compare per yard, per bag or per ton for US pr
OpenBoard Foot Calculator
Calculate board foot — board feet from thickness, width, length and count with waste for US projects.
OpenBoard Foot Cost Calculator
Estimate board foot cost — material, quantity and price with waste. Compare per yard, per bag or per ton for U
OpenJoists & Beams
Joist Calculator
Calculate joist count and spacing — how many pieces and equalized centers with waste for US layouts.
OpenJoist Spacing Calculator
Calculate equal center spacing from length and member count — for framing projects. Enter framing dimensions t
OpenFloor Joist Calculator
Calculate floor joist count and spacing — how many pieces and equalized centers with waste for US layouts.
OpenCeiling Joist Calculator
Calculate ceiling joist count and spacing — how many pieces and equalized centers with waste for US layouts.
OpenHeader Size Calculator
Calculate header size — header size — bending-only section modulus and depth from span, load and allowable str
OpenBeam Calculator
Calculate beam — beam bending — moment, reaction and deflection from load, e and i with waste for US projects.
OpenBeam Load Calculator
Calculate beam load — beam line load from tributary area, dead/live and self-weight with waste for US projects
Open