# Tile Calculator

> Determine the number of tiles needed for your flooring project, including a waste factor.

Page: https://askcalculators.com/calculator/tile-calculator/
Definition: https://askcalculators.com/calculator/tile-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/tile-calculator/schema.json
Version: 7.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/tile-calculator/?roomLength=10&roomWidth=12&tileLength=12&tileWidth=12

## Inputs
- roomLength: Room Length (ft); type=number; optional; default=10
- roomWidth: Room Width (ft); type=number; optional; default=12
- tileLength: Tile Length (in); type=number; optional; default=12
- tileWidth: Tile Width (in); type=number; optional; default=12

## Outputs
- result: Result; format=text; primary

## Formula
Tiles needed = surface area ÷ tile area × (1 + waste percentage), rounded up.

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.