Measure the length of one of the walls that you are going to tile.
How to figure square feet for wall tile.
Measure length x width in inches and take that total number and divide it by 144.
To do this calculation yourself take your tile size in square inches and divide it by 144 12in.
Continue to repeat this for all parts of the space that will get the same tile.
If we take the size of the tile in feet just multiply the length by width e g 1ft 1ft 1ft2.
Measure the width of the same wall that you previously measured.
Measure the length in feet measure the width in feet.
L x w a in square feet to find square feet multiply the length measurement in feet by the width measurement in feet.
Multiply the length figure by the width figure.
How to measure for tile find the area of the room.
Add 10 for waste.
Length of the area 14ft width of area 10ft 140ft2 so we need exact 140 tiles and include 5 wastage.
1 square foot uses one 12 by 12 inch tile or four 6 by 6 inch tiles.
This will give you the number of tiles you need for your space.
This gives you the tile size in sq.
Then divide the total area by the tile size in sq.
Measuring in inches works as well.
Round up to the nearest foot.
By way of example assume this measures 7.
Measure the size of the tiles you want to use.
Add these together for your total square footage.
For a 50 square foot area you would need 50.
The next step in how to calculate square footage is to plug your measurements into the square footage formula.
Divide the area of the wall 2592 square inches by the area of an individual tile 9 square inches giving you the number of tiles required for that surface 288 tiles needed for the sample wall.
Floor or wall tiles are typically installed with gaps between the tiles because the average tile may look quite similar to the next tile but they are often not uniform in shape and size and would not fit properly if installed without any gaps.
By way of example assume this side measures 4.
A 3 by 3 inch tile is 9 square inches.
How to calculate square foot for shower tiles step 1.
Add the width of the grout lines.
This will be your total square footage for that portion of your project.
That gives you the square footage of your area.
Divide the area of the room by the area of a single tile.
Related square footage calculator area calculator roofing calculator gap size.
Square feet area in square inches.
Multiply the total square footage by the number of tiles needed per square foot.