DECORATING MATERIALS
Paint calculator
Estimate paint litres and tins from surface area, coats and coverage.
Estimated result
2 tins
- Paint required
- 9.2 litres
- Paint purchased
- 10 litres
Allow separately for porous surfaces, colour changes, spillage and product-specific coverage.
SOURCES & REVIEW
Checked against official guidance
Last checked 14 July 2026 · Rule version GB-2026.27.1
Planning Portal: Home improvement ↗COMMON QUESTIONS
Frequently asked questions
Is this an exact quote or tax return?
No. It is an estimate based on the inputs and assumptions shown.
When was this checked?
The method and linked official guidance were reviewed for the current UK release.