Framing & Interior Calculators — Stairs, Lumber & Drywall
The inside-the-walls math: how many risers the rise takes and whether they pass 7¾ inches, what the hardwood order costs in board feet, and how many sheets, screws, and buckets of mud a room actually consumes.
More Framing & Interior Calculators
Stair Stringer Calculator
Enter total rise and tread depth — get riser count, actual riser height, total run, stringer length, and an IRC code check on the riser.
Board Foot Calculator
Lumber volume in board feet: thickness × width × length × pieces, with price-per-bf to get the cost — hardwood pricing without the guesswork.
Drywall Calculator
Room dimensions in — sheets by size (4×8/4×10/4×12), screws, tape, and joint compound out, with door and window deductions and a waste factor.