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Tile Calculator.

Estimate the number of floor or wall tiles needed, accounting for grout spacing and waste.

FREE INSTANT RESULTS NO SIGNUP UPDATED 2026

Parameters

ft
ft
in
%

Summary Output

Number of Tiles Required
132 tiles
Total Area
120 sq ft sq ft

How to Use

Enter target room surface dimensions, single tile edge size, and an optional extra waste percentage buffer.

Example Calculation

A 12 x 10 ft room (120 sq ft) tiled with 12 x 12 inch tiles (1 sq ft each) needs 120 tiles. Adding 10% waste results in 132 total tiles.

Formula

Area (sq ft) = Length * Width
Tile Area (sq ft) = (Size * Size) / 144
Base Tiles = Area / Tile Area
Total Tiles = Base Tiles * (1 + Waste / 100)

Frequently Asked Questions

Common questions and answers about the Tile Calculator.

The Tile Calculator is a free online tool designed to estimate the number of floor or wall tiles needed, accounting for grout spacing and waste. It allows you to perform these calculations quickly and accurately without manual computations.
Enter target room surface dimensions, single tile edge size, and an optional extra waste percentage buffer. Once you enter these values, the calculator will automatically compute and display the results instantly.
The Tile Calculator uses the following formula to calculate your results: Area (sq ft) = Length * Width Tile Area (sq ft) = (Size * Size) / 144 Base Tiles = Area / Tile Area Total Tiles = Base Tiles * (1 + Waste / 100) This formula is standard and widely accepted for these types of calculations.
Sure! Here is a practical example: A 12 x 10 ft room (120 sq ft) tiled with 12 x 12 inch tiles (1 sq ft each) needs 120 tiles. Adding 10% waste results in 132 total tiles. This example demonstrates how the inputs are processed through the formula to yield the final results.
To use the Tile Calculator, you need to enter: Room Length, Room Width, Tile Size (Square), Waste Buffer. These inputs help the tool calculate precise results tailored to your situation.
The Tile Calculator outputs the following details: Number of Tiles Required, Total Area. This comprehensive breakdown helps you understand the different aspects of the calculated figures.
Yes, the Tile Calculator is 100% free with no registration or signup required. It is fully responsive and optimized for mobile phones, tablets, and desktop computers.
Reliable Calculator provides a fast, clean, ad-free, and premium user experience. The Tile Calculator uses verified math formulas and provides instant results with visual breakdowns and examples, making it more intuitive than other tools.