Try it freeFeatures
Quotes and invoices
EstimatorAdvance invoiceE-invoices (Peppol)Payments
Sending and e-signatureAutomatic remindersOnline paymentsGoogle reviewsJobs and team
Projects and costsCalendar and plannerTimesheetsExpenses and reports
Expenses and receipt scanningReports and profitFor your accountantFree calculator
Wall area calculator.
How many m² are the walls, ceiling and floor of a room? Enter the dimensions and openings and get the area for painting, tiling or drywall.
Walls = 2 × (length + width) × height − openings · Ceiling = floor = length × width
How to calculate wall area.
- 1
Measure the room
Length and width at floor level, height from floor to ceiling.
- 2
Subtract the openings
A standard door is about 1.6 to 2 m², a window about 1.5 m².
- 3
Use the result
Use walls and ceiling for painting and drywall, the floor for tiles and laminate, and the perimeter for skirting.
FAQ
How many m² are the walls, ceiling and floor of a room? Enter the dimensions and openings and get the area for painting, tiling or drywall.
Multiply the room perimeter, 2 × (length + width), by the height and subtract doors and windows.
For painting and tiling, yes. Some tradespeople don't, because of the extra work around reveals.
In AdBooks you enter the area as the quantity and save the price per m² once for all future quotes.