Accurate Tiles Calculator

Welcome to TilesCalculator.online. We built this simple tool to help you figure out exactly how many tiles you need for your floor or bathroom. No complicated math, just plug in your numbers below!

1. Room Area Details

2. Tile Details

3. Extras Optional

Calculation Results

Enter your room and tile details to see the magic happen.

Why We Built This Tile Calculator

A while ago, we were remodeling a living room. Standing in the hardware store, staring at boxes of beautiful ceramic tiles, trying to do math in our heads. We wondered if a room of 12 by 15 feet with 24 by 24 inches tiles would need 45 tiles or 50. We ended up buying too few, and by the time we went back, that specific batch color was sold out.

That frustrating experience made us build this floor tile calculator. Whether you are doing a DIY bathroom renovation, measuring for a kitchen backsplash, or acting as a contractor, getting the exact tile count including proper wastage saves you money and headaches.

The Tiles Calculation Formula How It Works

If you prefer doing things the traditional way with a pen and paper, here is the exact tiles calculation formula our tool uses behind the scenes:

1. Find Area: Room Length × Room Width = Total Room Area

2. Find Tile Area: Tile Length × Tile Width = Single Tile Area

3. Base Tiles Needed: Total Room Area ÷ Single Tile Area

4. Factor in Wastage: Base Tiles + Wastage Percentage = Total Tiles Required

The trickiest part is usually unit conversion. People often measure the room in meters or feet, but the tiles are sold in centimeters or inches. Our calculator handles all these unit conversions automatically.

Frequently Asked Questions

How do I calculate square feet for tiles?

Simply measure your room length and width in feet. Multiply them together to get the total area. For example, a 10 feet by 12 feet room is 120 square feet. Switch our tool above to Imperial and it will do this for you.

Can I use this as a bathroom tile calculator?

Absolutely. For bathrooms, you usually need to calculate both floor tiles and wall tiles. Just treat each wall as a separate room area and run the calculator. Do not forget to subtract the area of doors and windows manually before buying.

Does this tool work as a wall tile calculator?

Yes, the math for wall tiles is exactly the same as floor tiles. Just measure the height and width of your wall instead of the floor, enter the tile dimensions, and the tool will calculate the exact number of wall tiles you need for your project.

Why do I need to add a wastage percentage?

Rooms are rarely perfect squares. You will need to cut tiles to fit around edges, corners, and pipes. Sometimes tiles break during transport or while cutting. Industry standard is to buy 10 percent extra. If your room has lots of angles, bump that up to 15 percent.

How to calculate tile adhesive and grout?

Once you know your total square area from our tool, check the packaging on the adhesive or grout bags. Typically, a 20 kg bag of standard tile adhesive covers about 4 to 5 square meters. Grout coverage depends on the gap size between tiles, but generally, 1 kg covers around 3 square meters.

How many tiles are in a box?

This depends entirely on the size of the tile. A box of large 24 by 24 inches floor tiles might only contain 4 to 6 tiles, while a box of small subway tiles could hold 50 or more. Once our calculator tells you the total number of tiles needed, just check the tile packaging to see how many come in a box, and divide the total by that number.