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Ceiling Paint Calculator

Paint needed for a ceiling, with an allowance for the extra coat white-over-stain usually needs.

Enter values

Results update as you type.

Result

Paint required

3.33 litres

Ceiling area
20 m²
5 litre tins
1
2.5 litre tins
2
Roller sleeves suggested
1

About the Ceiling Paint Calculator

Paint needed for a ceiling, with an allowance for the extra coat white-over-stain usually needs.

Also known as: paint for ceiling, ceiling emulsion, how much ceiling paint.

How to use this calculator

  1. Enter ceiling length, ceiling width, coats, coverage per litre and the other fields.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

litres = ceiling area × coats ÷ coverage

Worked example

Using the values pre-filled in the calculator above:

  • Ceiling length = 5 m
  • Ceiling width = 4 m
  • Coats = 2
  • Coverage per litre = 12 m²
  • Number of rooms = 1

the calculator returns:

  • Paint required: 3.33 litres
  • Ceiling area: 20 m²
  • 5 litre tins: 1
  • 2.5 litre tins: 2