Paint & Tile Estimator India

For a 10×12 ft room with 10 ft ceiling: gross wall area = 2 × (10+12) × 10 = 440 sq ft. After deducting one door (20 sq ft) and one window (15 sq ft) = 405 sq ft net. For 2 coats of emulsion at 140 sq ft/L with 15% wastage: (405 × 2 ÷ 140) × 1.15 ≈ 6.6 litres → buy 7 litres. Use this calculator for an exact figure based on your room dimensions.

8% for simple rectangular rooms with straight-lay. 10% for L-shaped rooms, rooms with cut corners, or standard diagonal patterns. 15% for complex layouts, large-format tiles (600×1200 mm+), or highly irregular rooms. Always order all tiles from the same batch (lot number) — colour variation between batches is common.

Primer is not automatically included. To calculate primer quantity, run the paint estimator a second time and select "Primer only" as the paint type (coverage ~160 sq ft/L). For new construction bare walls, calculate 1 coat of primer plus 2 coats of emulsion as two separate estimates. For repainting, primer is often optional unless the old surface is chalky or uneven.

600×600 mm: 4 tiles per box = ~11.1 sq ft per box. 600×1200 mm: 2 tiles per box = ~15.5 sq ft per box. 300×600 mm: 6 tiles per box = ~11.6 sq ft per box. These are standard Indian market assumptions. Always verify the exact tiles-per-box on the brand's carton label, as it varies by manufacturer and tile thickness.

Not by default. Tick "Include ceiling" to add L × W sq ft to the paintable area. If you are using a separate ceiling white or different paint for the ceiling, run it as a second estimate using just the ceiling area (Length × Width) as your room dimensions with zero height — or simply enter the ceiling area as L=1, W=(L×W), H=1 and zero doors/windows.

Yes — switch to the Tile tab and select "Wall" as the surface type. Enter the total wall area to be tiled (length × height of each tiled section). Use 10–15% wastage for bathroom walls to account for cuts around fixtures, pipes, and outlets. This calculator covers the full tiled area — subtract any large openings (windows, shower enclosure glass) manually before entering.

Coverage (sq ft/L/coat) varies by paint formulation. Emulsion: ~140 sq ft/L. Enamel: ~120 sq ft/L (higher solids, thicker film). Exterior paint: ~120 sq ft/L (weather-resistant formulation, applied thicker). Primer: ~160 sq ft/L (thinner, penetrating formula). These are averages for quality Indian brands. Deep or dark shades may need an extra coat regardless of coverage rating.