StoreHub · Painting projects
From room measurements to the right number of tins.
Plan walls, ceilings and primer. Compare whole containers, see estimated leftovers and print your shopping list.
UK · metres, litres & GBP
Paint calculatorWork out wall paint from room dimensions or a measured area. Subtract doors and windows, choose coats and round up to whole containers.Open tool →Ceiling paint calculatorCalculate ceiling paint separately from walls. Use ceiling area, subtract openings and compare complete containers for your chosen paint.Open tool →Primer calculatorEstimate primer separately from your finishing paint. Choose walls, ceilings or both, then use the coverage and coat count for your exact primer.Open tool →Paint tin calculatorEnter the litres your project needs and compare combinations of available tin sizes. Add prices to find the lowest materials cost among those choices.Open tool →Room paint calculatorPlan walls, ceiling and optional primer together. Keep their coverage, coats, container sizes and material costs separate in one printable shopping list.Open tool →
US · feet, gallons & USD
Wall paint calculatorEstimate wall paint in US gallons from room dimensions in feet. Subtract openings, set coats and compare available container sizes.Open tool →Ceiling paint calculatorCalculate US ceiling paint using measured square feet, coats and coverage per gallon. Compare whole containers using manufacturer specifications or your own label.Open tool →Primer calculatorWork out how much primer you need for walls, ceilings or both. Use coverage per US gallon and keep primer quantities separate from your topcoat.Open tool →Paint can calculatorCompare container combinations for the US gallons your project needs. Enter current prices for every size to compare material costs and leftover paint.Open tool →Room paint calculatorMeasure one or several rooms in feet and plan separate wall paint, ceiling paint and optional primer. Print a materials shopping list in US gallons.Open tool →
Check a specific coverage question
How much does 2.5 litres cover? · Valspar Signature coverage in US gallons
Also planning a floor? UK flooring planner · US flooring planner
UK paint & primer sample
Recorded coverage is a planning input. Product selection does not approve it for your surface or another coating. UK prices cover a small Wickes sample; US records contain manufacturer specifications, with prices entered by you.
| Recorded product | Coverage per coat | Recorded coats | Container sizes | Price | Source |
|---|---|---|---|---|---|
 Dulux Matt Emulsion Paint - Pure Brilliant White - 2.5L | 13 m²/L | Confirm on label | 2.5 L | £22.00 · recorded 2026-10-13 | Wickes ↗ |
 Dulux Matt Emulsion Paint - Pure Brilliant White - 5L | 13 m²/L | Confirm on label | 5 L | £26.00 · recorded 2026-10-13 | Wickes ↗ |
 Dulux Easycare Washable & Tough Matt Emulsion Paint - Pure Brilliant White - 2.5L | 13 m²/L | Confirm on label | 2.5 L | £27.00 · recorded 2026-10-13 | Wickes ↗ |
 Dulux Easycare Washable & Tough Matt Emulsion Paint - Pure Brilliant White - 5L | 13 m²/L | Confirm on label | 5 L | £38.00 · recorded 2026-10-13 | Wickes ↗ |
 Dulux Easycare Bathroom Soft Sheen Emulsion Paint - Pure Brilliant White - 2.5L | 13 m²/L | Confirm on label | 2.5 L | £27.00 · recorded 2026-10-13 | Wickes ↗ |
 Wickes Matt Emulsion Paint - Pure Brilliant White NO.0 - 2.5L | 13 m²/L | Confirm on label | 2.5 L | £13.00 · recorded 2026-10-13 | Wickes ↗ |
 Zinsser Bulls Eye 123 Primer Sealer - White - 2.5L | 10 m²/L | Confirm on label | 2.5 L | £38.00 · recorded 2026-10-13 | Wickes ↗ |
US paint & primer sample
Recorded coverage is a planning input. Product selection does not approve it for your surface or another coating. UK prices cover a small Wickes sample; US records contain manufacturer specifications, with prices entered by you.
| Recorded product | Coverage per coat | Recorded coats | Container sizes | Price | Source |
|---|---|---|---|---|---|
 Valspar Signature® Interior Paint + Primer | 200–400 sq ft/US gal | 2 | 0.25, 1.0, 5.0 US gal | No verified store price | Valspar manufacturer ↗ |
 Valspar Ultra® Interior Paint + Primer | 300–400 sq ft/US gal | 2 | 0.25, 1.0, 5.0 US gal | No verified store price | Valspar manufacturer ↗ |
 Valspar® Core™ Interior Paint + Primer | 400 sq ft/US gal | 1 | 1.0, 5.0 US gal | No verified store price | Valspar manufacturer ↗ |
 Valspar Signature® Ceiling Paint + Primer | 300–400 sq ft/US gal | 1 | 1.0, 5.0 US gal | No verified store price | Valspar manufacturer ↗ |
 Valspar® Ultra Ceiling Paint + Primer | 400 sq ft/US gal | 2 | 1.0, 5.0 US gal | No verified store price | Valspar manufacturer ↗ |
 Valspar® PVA Primer/Sealer | 300–400 sq ft/US gal | 1 | 1.0, 5.0 US gal | No verified store price | Valspar manufacturer ↗ |
 Valspar® High-Hiding Primer/Sealer | 300–400 sq ft/US gal | 1 | 1.0, 5.0 US gal | No verified store price | Valspar manufacturer ↗ |