Construction & Building Calculators
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Tile Calculator
Room Dimensions
Room Area: 12 × 10 = 120 sq ft
11.15 square meters
Tile Size
Tile Size: 24" × 24" (4 sq ft per tile)
Additional Settings
Settings: 10% wastage, 2mm grout gap
Tile Requirements
Base Tiles Needed
30 tiles
With Wastage
33 tiles
Boxes Required
4 boxes
(10 tiles per box standard)
Area Coverage
Room Area (Sq Ft)
120 sq ft
Room Area (Sq M)
11.15 sq m
Tile Coverage
4 sq ft per tile
Grout Requirements
Grout Needed
35.67 kg
Based on 2mm gap width
Grout density: ~1600 kg/m³
Quick Summary
Room Size:12 × 10 ft
Tile Size:24" × 24"
Base Tiles:30 tiles
Total Tiles:33 tiles
Boxes Needed:4 boxes
Grout Required:35.67 kg
Tile Requirements Breakdown
Proportional representation of tiling requirements
How Tile Calculation Works
Tile Count Calculation
Number of tiles needed = Room area ÷ Tile area. Your 120 sq ft room with 4 sq ft tiles needs 30 base tiles.
120 sq ft ÷ 4 sq ft = 30 tiles
Wastage Calculation
Adding 10% wastage for cutting, breakage, and future repairs gives us 33 total tiles.
Base tiles: 30
Wastage: 30 × 10% = 3 extra tiles
Total: 33 tiles
Grout Calculation
Grout needed is calculated based on room area, grout gap width (2mm), and grout density (1600 kg/m³).
Volume = 11.15 m² × 2mm gap = 35.67 kg grout
Box Calculation
Tiles are typically sold in boxes of 10. You need 4 boxes for 33 tiles.
33 tiles ÷ 10 tiles/box = 4 boxes (rounded up)
Pro Tips for Tiling
Tile Selection:
- • Large tiles: Fewer grout lines, modern look
- • Small tiles: Better for irregular spaces
- • Rectangular tiles: Can make rooms look longer
- • Consider slip resistance for wet areas
Installation Tips:
- • Start from center for symmetrical layout
- • Use tile spacers for consistent gaps
- • Order 10-15% extra for complex patterns
- • Seal grout lines after 24-48 hours
Current Calculation Summary:
Room: 12 × 10 ft
Tile: 24" × 24"
Base tiles: 30
Total tiles: 33
Boxes: 4
Grout: 35.67 kg
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