Paint Calculator
Calculate how much paint you may need for any room. Select which walls to paint, include the ceiling, choose your paint type and get the optimal tin combination — with a cost estimate and mist coat guidance for new plaster.
Tap walls or labels to toggle them on/off
Adds a separate ceiling calculation with its own paint type.
Enter your net paintable wall area. Doors and windows will still be deducted below.
Please enter a valid areaLeave blank if not painting the ceiling.
Ceiling paint is flat/ultra-matt to hide roller marks and reduce drips overhead.
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Check the tin — enter the coverage figure from the label.
Standard coverage applies — no adjustment.
Skirting boards, door frames, door faces and window frames.
Total length around the room perimeter.
Each door: 1.1 m² frame + 1.6 m² face (single side) = 2.7 m².
Each frame: 0.6 m² (4m linear × 75mm wide × 2 sides).
Gloss or satinwood: ~14 m²/L on smooth woodwork.
Now you know your required litres of paint and wall coverage, get free, no-obligation quotes from local vetted painters and decorators.
Get Free Quotes| Walls | |
|---|---|
| Paint type | — |
| Wall area | — |
| Coats | — |
| Litres needed | — |
| Tins to buy | — |
| Est. cost | — |
| Total | |
|---|---|
| Total litres | — |
| Est. total cost | — |