Pro Calculators and Guides

How to Use Tile and Grout Calculator Online for Free: Step-by-Step Guide

Calculate the number of tiles, boxes and pounds of grout for a floor or wall. Free, private and no sign-up.

Saizul Amin
Saizul Amin17 Oct 2026 · Updated 22 Oct 2026 · 4 min read
How to Use Tile and Grout Calculator Online for Free: Step-by-Step Guide

How to Use Tile and Grout Calculator Online for Free

Calculate the number of tiles, boxes and pounds of grout for a floor or wall. This guide shows what Tile and Grout Calculator does, how to use it step by step, what to watch out for, and which related tools on shobfree.com can help next.

Quick answer

Open Tile and Grout Calculator, type your numbers or pick the options you need, check the result that appears, and then use it. Tile and Grout Calculator is free, needs no account and runs in your browser, so what you type or add stays on your device.

What Tile and Grout Calculator does

  • Calculate the number of tiles, boxes and pounds of grout for a floor or wall.
  • Enter the area, the tile size, the grout joint width, the tile thickness, a waste allowance and the tiles per box.
  • The calculator gives the number of tiles to buy, the boxes and the pounds of grout.

Enter the area, the tile size, the grout joint width, the tile thickness, a waste allowance and the tiles per box. The calculator gives the number of tiles to buy, the boxes and the pounds of grout.

How to use Tile and Grout Calculator, step by step

  1. Fill in the boxes. Type your numbers or pick the options you need.
  2. See the result. The answer updates right away as you change a value.
  3. Use it. Copy the result or note it down. Nothing is sent anywhere.

These three steps are the same on a phone and on a computer. If something looks wrong, change one setting and look at the result again; Tile and Grout Calculator updates as you go.

A worked example

100 ft² of 12 × 24 in tile with 10% waste is 66 tiles for 120 ft²; with 8 tiles a box you need 9 boxes. With a 1/8 in joint and 3/8 in tiles the grout is about 1.3 lb.

Tips for a good result

  • Run a best case and a worst case, then keep both numbers for your planning.
  • Change one value at a time, so you can see which input moves the result.
  • Double-check the units and the currency or period before you trust a number.
  • Treat the result as an estimate and confirm important figures with the official source.

Who is this for?

Tile and Grout Calculator is useful for anyone who needs calculate the number of tiles, boxes and pounds of grout for a floor or wall without installing software or paying for a subscription. Students, freelancers, office staff and small-business owners use tools like this for quick, one-off jobs where a full application would be too much.

Frequently asked questions

How much waste for tile?

10% for straight lays, 15% for diagonal or herringbone.

What joint width?

1/8 inch for most floor tiles; follow the tile maker's advice.

Do I need sanded grout?

Use sanded grout for joints wider than 1/8 inch.

Is the grout figure exact?

It is a good estimate for ordering.

Do I need to create an account to use Tile and Grout Calculator?

No. Open the page and start. There is no sign-up, no email and no payment.

Can I use Tile and Grout Calculator on my phone?

Yes. The page adapts to small screens, and everything runs in your phone's browser, so the same steps work on a laptop or a phone.

Privacy

Tile and Grout Calculator works inside your browser. Your files, text and numbers are not uploaded to a server, and there is nothing to delete afterwards.

Completely freeNo cost, no sign-up
Files stay privateEverything runs in your browser
Easy in your languageAvailable in many languages