Tile Calculator

Estimate the number of tiles and total cost for your floor or wall project.

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Total Area

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Total Cost

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How to Accurately Calculate Tiles for Your Room or Floor Project

Planning a tiling project can be exciting—but it can quickly turn stressful if you don’t know exactly how many tiles you need. Buying too few tiles means running short before finishing, while buying too many leads to wasted money and leftover materials. That’s where a tile calculator comes in handy. This smart tool helps you find the perfect balance between cost and quantity, ensuring a seamless and efficient tiling experience.

How Our Tile Calculator Simplifies Your Work

Our easy-to-use tile estimator is built to help homeowners, designers, and contractors calculate tile requirements in seconds. Here’s how it works:

  1. Choose Your Measurement Unit: Pick between metric (meters/cm/mm) or imperial (feet/inches) based on your preference.
  2. Enter Room Dimensions: Measure and input the total length and width of the area you plan to tile.
  3. Enter Tile Size: Provide the length and width of one tile. The calculator will determine how many tiles fit into the total space.
  4. Add a Grout Gap: To ensure a realistic calculation, include the spacing between tiles (the grout line).
  5. Adjust for Wastage: We recommend adding 10–15% extra for cutting, breakage, and future repairs. Our tool does this automatically.
  6. Check Your Results Instantly: You’ll see:
    • Total number of tiles needed (including wastage)
    • Boxes to purchase (if you enter tiles per box)
    • Total area covered
    • Estimated material cost (if you provide price details)

Understanding Tile Calculation Basics

A good floor tile calculator or wall tile calculator must factor in several key variables to ensure accuracy.

1. Area to be Covered

Start by finding the total surface area of your floor or wall:

Total Area = Length × Width

For rooms with irregular shapes, divide them into smaller sections and add up each area.

2. Tile Coverage (Including Grout)

Each tile covers a certain area, but you must also consider the grout gap around it:

Tile Coverage = (Tile Length + Grout Gap) × (Tile Width + Grout Gap)

This ensures your estimate reflects real-world spacing.

3. Adding Wastage

No installation is perfect—some tiles will be cut or damaged. Here’s a quick guide:

Our tile quantity calculator lets you set your own wastage percentage for full control.

4. Cost Estimation

Our tile cost calculator helps you plan your budget efficiently. Enter the price per tile or per box, and the tool will instantly display the total cost for your project.

Example Calculation

Suppose your room measures 12 ft × 10 ft, and your tiles are 1 ft × 1 ft. Without grout gaps, you’d need:

12 × 10 = 120 tiles

Adding 10% wastage gives:

120 × 1.10 = 132 tiles

So, you’d purchase 132 tiles or round up to the next whole box.

Frequently Asked Questions

How much wastage should I include when buying tiles?

For standard installations, 10% is sufficient. For diagonal or patterned layouts, increase it to 15–20%.

What if my area isn’t a perfect rectangle?

Break the area into smaller rectangles, calculate each separately, and add them together. Our calculator supports irregular dimensions easily.

Can I use this for wall tiles too?

Yes! Whether it’s floors, walls, or backsplashes, the formula remains the same. Just measure accurately for best results.

Does the calculator include grout lines?

Yes. You can input your grout gap to get an accurate result that matches how tiles will be laid in reality.

Final Thoughts

Planning your tile purchase doesn’t need to be complicated. With our smart tile calculator tool, you can estimate materials, minimize waste, and stay on budget—all in just a few clicks. Perfect for homeowners, interior designers, and contractors alike, this tool ensures your next project starts with precision and ends with perfection.