Drywall, Paint & Insulation 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
Drywall
Drywall Calculator
Calculate drywall — sheets, screws and tape for US drywall installation with waste. Enter drywall dimensions t
OpenDrywall Sheet Calculator
Calculate drywall sheet — sheets, screws and tape for US drywall installation with waste. Enter drywall dimens
OpenDrywall Cost Calculator
Estimate drywall cost — material, quantity and price with waste. Compare per yard, per bag or per ton for US p
OpenDrywall Joint Compound Calculator
Calculate drywall joint compound — sheets, screws and tape for US drywall installation with waste. Enter drywa
OpenDrywall Screw Calculator
Calculate drywall screw — sheets, screws and tape for US drywall installation with waste. Enter drywall dimens
OpenDrywall Tape Calculator
Calculate drywall tape — sheets, screws and tape for US drywall installation with waste. Enter drywall dimensi
OpenPaint
Paint Calculator
Calculate paint coverage — gallons, coats and containers for US interior and exterior painting. Enter drywall
OpenPaint Coverage Calculator
Calculate paint coverage — gallons, coats and containers for US interior and exterior painting — for drywall p
OpenPaint Cost Calculator
Estimate paint cost — gallons, coverage and price with waste for US interior and exterior painting. Enter dryw
OpenPrimer Calculator
Calculate primer — paint for walls — gallons and containers from area, coats and coverage with waste for US pr
OpenCeiling Paint Calculator
Calculate ceiling paint coverage — gallons, coats and containers for US interior and exterior painting.
OpenWall Paint Calculator
Calculate wall paint coverage — gallons, coats and containers for US interior and exterior painting.
OpenInsulation
Insulation Calculator
Calculate insulation — packages, net ft², order ft², purchased ft², m², cost with waste for US coverage.
OpenInsulation Cost Calculator
Estimate insulation cost — material, quantity and price with waste. Compare per yard, per bag or per ton for U
OpenSpray Foam Calculator
Calculate spray foam — spray foam kits from area, thickness and kit yield with waste for US projects.
Open