Quality Inspector
Tiles & Flooring
Tiles Calculator (2026) – Floor, Wall, Skirting & Grout Estimator
Expert Guide
Estimate floor & wall tiles, skirting length, and grout kg with adjustable wastage.
⚡ Quick Answer
For a 20m² floor with 600x600mm tiles (4 per box), you need approximately 62 tiles (56 net + 10% wastage) = 16 boxes. For premium tile BOQs, visit pro.nirmansutra.com.
🛠️ How It Works
- •Level the surface (Floor/Wall) and enter the total area.
- •Select your tile size and the number of tiles per box provided by the manufacturer.
- •Switch to "Skirting" mode to calculate exact running length minus doors.
- •Use "Grout" mode periodically to find the filler requirements for your specific joint width.
📐 Calculation Formula
Number of Tiles = (Surface Area / Individual Tile Area) + Wastage
Total Boxes = Number of Tiles / Tiles per Box
Grout (kg) = Area × [ (L+W) / (L×W) ] × Joint Width × joint Depth × 1.5
📋 Real-Life Example
Example: Tiling a 20m² room with 600x600mm tiles (4 tiles/box, 10% waste).
1. Net Tiles = 20 / 0.36 = 55.6 -> 56 tiles.
2. With 10% Waste = 56 * 1.10 = 62 tiles.
3. Boxes = 62 / 4 = 15.5 -> Order 16 boxes.
⚠️ Common Mistakes to Avoid
- ✕Using 10% wastage for diagonal layouts — diagonal patterns require 15-20% extra due to corner cuts.
- ✕Forgetting to deduct door widths when calculating skirting — this results in buying too much stone/tile.
- ✕Not factoring in tile thickness for grout — thicker tiles (e.g., stone) require much more grout volume.
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❓ Frequently Asked Questions
Standard 600x600 mm (2x2 ft) vitrified tiles usually come with 4 pieces per box, covering 1.44 square meters (approx 15.5 sq.ft).
For a straight layout, add 10% wastage. For diagonal or complex patterns, add 15-20% to account for corner cuts and breakage.
For standard tiles with a 3mm joint, you need approximately 0.5kg to 0.8kg of grout per square meter.
Stop Guessing.
Start Building.
- ✕Square Feetको भ्रममा नफस्नुहोस्।(Don't get trapped in "Square Feet" rate illusions.)
- ✓Save up to 11% on materials with an accurate BOQ.
Worth NRs. 5,000
NRs. 999 🎯
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