1. Calculating the Surface Area to Cover
A 120×60 cm tile covers:
1.20 m × 0.60 m = 0.72 m²
Professional Tip: Allow for waste
Installation Type
Allowance to Add
Standard or Straight Installation
+ 5%
Diagonal/Complex Installation
+ 10%
Room with Cutouts/Corners
+ 10 to 15%
Example:
To cover 40 m² with a straight installation:
40 m² × 1.05 = 42 m² to order
That is: 42 ÷ 0.72 = 58.33 tiles → order 59 to 60 tiles
2. Calculating the Number of Boxes
Each box generally contains 2 tiles (depending on the supplier)
→ 2 × 0.72 m² = 1.44 m² per box
Example:
Requirement: 42 m²
42 ÷ 1.44 = 29.17 boxes → allow for 30 boxes
3. Calculating baseboards (based on 120×60 tiles)
Dimensions of cut baseboard:
Height: 10 cm (recommended)
Length: 120 cm (tile length)
One baseboard = 1.20 linear meters
Each tile allows for 6 baseboards of 10 cm high (since 60 ÷ 10 = 6)
Yield:
1 tile = 6 baseboards → 7.20 linear meters
1 box (2 tiles) = 14.40 linear meters
Area used = 1 tile = 0.72 m²
4. Calculating the required amount Baseboards
Step 1: Calculate the room's perimeter
(Length + Width) × 2 (minus door, if applicable)
Ex.: (6 + 4) × 2 = 20 linear meters
Step 2: Add a 10% margin
20 linear meters × 1.10 = 22 linear meters to order
Step 3: Number of tiles needed
22 ÷ 7.2 = 3.05 tiles → allow for 4 full tiles
Equivalent surface area: 4 × 0.72 = 2.88 m²
Summary Tables
Number of tiles needed
Area (m²)
Tiles (120×60)
Boxes (2 per box)
10 m²
14
7
20 m²
28
14
40 m²
56
28
60 m²
84
42
Baseboard Requirements
Perimeter (m)
120x60 Tiles
Equivalent Surface Area (m²)
10 m
2
1.44 m²
20 m
3
2.16 m²
25 m
4
2.88 m²
30 m
5
3.60 m²
Edifis Advice
Use the same tiles as the flooring to make the baseboards for perfect color and finish harmony.
Always allow for 2 to 3 extra tiles as a safety margin in case of breakage or water leaks.
Baseboards should be precisely cut with a wet saw for a professional finish.
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