METHODCalculation, assumptions and sources
Formula used
tiles = room area / tile area × (1 + waste allowance)
What is included
Calculate room area, tile count, packs and grout share with a selectable waste allowance.
Assumptions and limits
Measurements must use the stated units. Material density, joints, substrate and manufacturer guidance can create additional requirements.
Reference sources
NIST SI Units
Last reviewed: September 2026 GUIDETile & Flooring Calculator
Calculate room area, tile count, packs and grout share with a selectable waste allowance.
Enter the required values or content, adjust the options and then review the detailed result.
FAQFrequently asked questions
What can I do with Tile & Flooring Calculator?
Calculate room area, tile count, packs and grout share with a selectable waste allowance.
How do I use Tile & Flooring Calculator?
Enter the required values or content, adjust the options and then review the detailed result.
Are my data uploaded?
No. Inputs and files for this tool are processed locally in your browser.
Is this tool free?
Yes. Every feature is free and requires no registration.
Does it work on mobile?
Yes. The interface is optimized for iPhone, Android, tablets and desktop computers.