How to use the Tile Calculator
- 1 Enter the room length and width.
- 2 Choose the tile size.
- 3 Enter wastage, usually 10%.
- 4 Enter the price per sq ft.
Worked example
A 15 × 12 ft room with 24 × 24 inch tiles and 10% wastage. The floor is 180 sq ft. You need about 50 tiles, which is 13 boxes of 4, covering 208 sq ft. At Rs 250 per sq ft the tiles cost about Rs 52,000.
Features
Common sizes
12 × 12, 16 × 16, 24 × 24, 12 × 24 and 24 × 48 inches.
Boxes
Rounded up to full boxes.
Wastage
Extra tiles for cutting and breakage.
When to use it
New floors
Order tiles for a room.
Bathrooms
Estimate wall and floor tiles.
Renovation
Replace old floors.
Budgeting
Compare porcelain and ceramic prices.
Frequently asked questions
How much wastage should I add?
10% for straight laying, 15% for diagonal patterns or many cuts.
How many 24 × 24 tiles in a box?
Often 4 tiles (16 sq ft), but it varies by brand.
Should I buy extra tiles?
Yes. Keep a few spare tiles for future repairs, as batches differ in shade.
How much does tiling labour cost?
Labour is charged per sq ft and varies by city and tile size.
Which tiles suit Pakistani homes?
Porcelain and glazed vitrified tiles are popular for their strength and low water absorption.
What about skirting?
Add tiles for skirting along the walls, about the room's perimeter times the skirting height.
Should tiles be laid on cement or adhesive?
Large tiles are best laid with tile adhesive; smaller tiles can use cement mortar.
How much grout do I need?
It depends on joint width and tile size; one kg of grout covers roughly 3 to 6 sq m for normal joints.
Can I tile over old tiles?
Sometimes, if the old floor is firm and level, using adhesive.
Which finish is best?
Matte tiles are less slippery for bathrooms and kitchens; glossy tiles suit living areas.
How do I calculate wall tiles?
Multiply wall length by height for each wall and subtract doors and windows.
How do I measure an L-shaped room?
Split the room into rectangles, measure each one, and add the areas together before calculating tiles.
Do bigger tiles cost more to lay?
Large tiles often need more care and adhesive, so labour can cost more per square foot.
Should I buy tiles from one batch?
Yes. Tiles from different batches can vary in shade and size, so buy all you need at once.
How long before walking on new tiles?
Usually twenty-four hours for adhesive, and longer before heavy furniture is moved in.
Results are estimates based on the official rates linked above. Confirm important figures with the issuing authority or a qualified adviser before you act on them.
Reviewed by ToolsUnlocked Team · Last updated