Construction & Building Calculators

Plan your construction projects accurately with our comprehensive calculators. Estimate materials, costs, and measurements for successful building projects.

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

Popular Construction Calculators

Build with confidence

Accurate material calculations for your construction projects