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Paint Calculator

Enter your room's size to work out how many litres of paint you need for the walls, allowing for doors, windows and two coats.

  • Litres and tins needed
  • Allows for doors and windows
  • Two coats by default
  • Free quotes from painters
Calculate Get free quotes Call 083 056 8710

Emergency Trade is independent and not part of SEAI or any council. Always confirm details with the official source before applying.

How it's worked out

Wall area = perimeter × height, minus about 2m² per door and 1.5m² per window, multiplied by the number of coats, divided by coverage (about 12m² per litre for typical emulsion). Check your paint tin, as coverage varies.

Paint Calculator

Enter your measurements in metres.

Frequently asked questions

How much paint for an average room?

Often around 5–8 litres for two coats on the walls of a typical bedroom.

How many coats do I need?

Usually two, more for big colour changes or new plaster after a mist coat.

Find vetted contractors for this work

By area:

  • Dublin 15: Blanchardstown, Castleknock, Mulhuddart, Ongar, Hansfield, Ashtown
  • North Dublin City: Artane, Cabra, Clontarf, Coolock, Drumcondra, East Wall, Fairview, Glasnevin, Phibsborough, Stoneybatter
  • Dún Laoghaire & South Coast: Blackrock, Booterstown, Monkstown, Dún Laoghaire, Dalkey, Killiney
  • West Dublin & Leixlip: Chapelizod, Palmerstown, Lucan, Leixlip, Adamstown, Clondalkin
  • Dublin North Coast: Raheny, Baldoyle, Donaghmede, Howth, Sutton, Portmarnock, Malahide
  • North County Dublin: Swords, Lusk, Rush, Skerries
  • Stillorgan, Sandyford & Foxrock: Mount Merrion, Stillorgan, Goatstown, Sandyford, Cherrywood, Cabinteely, Foxrock, Deansgrange
  • South Dublin City: Ballsbridge, Donnybrook, Sandymount, Ranelagh, Rathgar, Harold's Cross, Churchtown, Dundrum
  • South West Dublin: Tallaght, Citywest, Firhouse, Knocklyon, Ballyboden, Templeogue, Walkinstown, Kimmage, Rathfarnham, Terenure

Get free quotes from vetted contractors

Tell us what you're planning, where the property is and when you'd like to start. We'll match you with a vetted local contractor. For anything urgent, call 083 056 8710.

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For anything urgent, call 083 056 8710.