Framing / Lumber Calculators
Stud, plate, and lumber calculators for wood-frame wall construction.Explore framing and lumber calculators for US light wood-frame wall construction, including studs, plates, and door/window opening framing. These tools help framers, contractors, and DIYers estimate lumber quantities for wall framing accurately.
Stud Calculator
Find the number of wall studs, plates, and lumber needed to frame a wall, including corners, intersections, and door/window openings
Rafter Calculator
Find rafter length, cut angles, birdsmouth details, and total rafter count for a gable or shed roof, from your building span, pitch, and overhang
Sheathing Calculator
Find the number of OSB or plywood panels and nails needed for a wall or roof, including door/window openings and the nailing schedule
Floor Joist Calculator
Find the number of floor joists, cut length, rim/band joist quantity, and mid-span blocking needed to frame a floor, from your joist span, building length, and spacing
Deck Framing Calculator
Find the number of deck joists, ledger board, beam board count, and posts/footings needed to frame a ledger-attached deck, from your joist span, deck length, and post spacing
Roof Truss Calculator
Find truss count, geometry (height, chord length, overhang), gable end trusses, and truss-to-wall connectors for a prefabricated roof, from your building span, length, pitch, and spacing
Hip Roof / Hip & Valley Rafter Calculator
Find hip, valley, jack, and common rafter counts, lengths, and cut angles for a stick-framed hip roof or hip-and-valley wing/addition, from your building dimensions, pitch, and rafter spacing
Wood Stair Stringer Calculator
Find riser/tread count, stringer length, throat depth, and stringer count for a cut wood stair stringer, checked against IRC riser/tread/width limits, from your total rise, run, and width
Fascia & Soffit Calculator
Find fascia board length/count and soffit area/panel count for a gable, hip, or shed roof, from your building dimensions, pitch, and eave/rake overhangs