Walls, windows and bathrooms
Work out drywall, baseboard and wallpaper, and compare window openings and bathroom layouts with named code figures.
Guides and calculators
Drywall Calculator: Sheets, Screws, Tape and Compound
Work out drywall sheets, screws, joint tape and compound for a room, using USG's material table, with the code's fastener spacing and old-home warnings.
Walls, windows and bathroomsEgress Window Calculator: Clear Opening Size
Compare a window's clear opening with the 2021 IRC's emergency escape figures. See why 24 × 20 inches isn't enough, and when replacement windows differ.
Walls, windows and bathroomsBathroom Clearance Checker: Toilet and Shower Minimums
Compare your bathroom layout with 2021 IRC minimums for toilet spacing, shower size and ceiling height, and see the separate recommendations designers use.
Walls, windows and bathroomsBaseboard Calculator: Feet and Pieces to Buy
Work out how much baseboard a room needs and how many whole pieces to buy, with waste you can change and a warning about old painted trim.
Walls, windows and bathroomsWallpaper Calculator: Rolls, Strips and Pattern Repeat
Count wallpaper strips and rolls from your room size, roll label and pattern repeat, and see why a big repeat can need several more rolls.