Paint quantity and tin count calculator UK
Estimate litres and whole tins from measured area, coats and manufacturer coverage. Check the formula, worked example and limits before using your own figures.
Enter your figures
Whole tins to buy
Inputs changed. Select Calculate result to update your estimate.
Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. Use the product’s actual coverage for the surface. Preparation, absorbency and application affect use. Waste is your choice, not a building standard.
How the paint quantity and tin count calculator uk works
Litres = area × coats ÷ coverage × (1 + loss allowance). Tin count rounds up.
Data basis: mathematical formula using your inputs. Example prices and rates are illustrative, not current market quotes.
Read about data coverage and updates
Worked example: paint quantity and tin count
This illustration uses the calculator’s example inputs. It is not a quote or a recommended financial decision.
- Paintable area (m²)
- 40
- Number of coats
- 2
- Quoted coverage (m² per litre per coat)
- 10
- Chosen allowance for loss (%)
- 10
- Tin size (litres)
- 2.5
Whole tins to buy: 4 tins
Litres = area × coats ÷ coverage × (1 + loss allowance). Tin count rounds up.
Paint quantity and tin count: questions answered
What does the paint quantity and tin count calculation include?
Litres = area × coats ÷ coverage × (1 + loss allowance). Tin count rounds up. Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. Use the product’s actual coverage for the surface. Preparation, absorbency and application affect use. Waste is your choice, not a building standard.
Using your result
Example inputs are a starting point. Replace them with your figures and select Calculate result. Results are rounded for display; calculations use unrounded values.
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