Trowla

Drywall Calculator (by room)

Enter your room dimensions and we compute the wall (and ceiling) area, then the drywall sheets, screws, compound and a priced estimate with labor.

Built for contractors, not spreadsheets

21.00 sheets — 4x8 drywall sheets
735.00 screws — Drywall screws
31.00 lb — Joint compound

Build a priced estimate

Material prices are your cost — add a markup. Your labor rate is what you bill the client. Saved on this device.

Add your company details

Optional — puts your company on branded PDF quotes and unlocks your saved dashboard. Everything stays on your device.

Frequently asked questions

How much drywall for a room?

We compute wall area as 2 x (length + width) x height, add the ceiling if included, then divide by 32 sq ft per sheet plus waste. This calculator prices it too.