Standard industry recommendation is 10-15% to account for cuts and breaks.
Room Area
Tiles Needed
With Wastage
Purchase Summary
What is a Tile Calculator?
A Tile Calculator is a renovation estimation tool designed to determine the total quantity of tiles needed to cover a specific floor or wall area. By analyzing the dimensions of the room and the size of the chosen tile (e.g., 12×12 or 24×24), it calculates the exact number of pieces required, while accounting for necessary overage for cuts and breakage.
At Nexli Calculator, our tool simplifies bathroom and kitchen projects. Whether you are installing ceramic, porcelain, or natural stone, getting the math right ensures you stay within budget and avoid the nightmare of inconsistent dye lots from re-ordering later.
Why Use Our Tile Calculator?
Handle Any Tile Size
From tiny mosaic subway tiles to large-format 24×48 slabs, our calculator adapts to any dimensions you input.
Precise Wastage Control
Easily add 10% for standard layouts or 15-20% for diagonal patterns to account for cut pieces.
Price Estimation
Enter the price per box or per square foot to instantly see the total estimated material cost.
Completely Free
Nexli Calculator offers this professional tiling utility 100% free with no software download required.
Tiling Formulas & Logic
Estimating tile quantities involves comparing the surface area of the room to the surface area of a single tile. Here is the math we apply:
Step 1: Areas
Calculate space and unit sizes.
- Room Area = Length × Width
- Tile Area = (Tile Length × Tile Width) / 144
- *Dividing by 144 converts square inches to square feet.
Step 2: Total Tiles
Applying the wastage factor.
- Raw Count = Room Area / Tile Area
- Total = Raw Count × (1 + Wastage %)
- Example: 100 tiles needed + 10% waste = Order 110 tiles.
How to Use Our Tile Calculator
-
1
Measure the Room
Measure the length and width of the floor or wall in feet (or meters). Divide complex rooms into separate rectangular sections.
-
2
Input Tile Dimensions
Enter the width and length of the tile you plan to purchase (e.g., 12″ x 24″).
-
3
Set Waste & Calculate
Choose a wastage percentage (10% is standard) and click calculate to see exactly how many tiles or boxes to order.