# Calculate tile requirements - how does that work?

Tiles can be expensive - so you should be able to calculate as accurately as possible, in fact, to avoid expensive residual amounts. But how do you do it when calculating tile requirements? Read on here.

### How many tiles do I need?

The basis, of course, is the surface area of ​​the surface to be tiled. That is, if a whole room is to be tiled half-height, then the measurement formula is ((width + length) x2) x height.

Clearly, if the floor is to be tiled, the measure will be length x width. This basic calculation is usually still too inaccurate.

It is also important to deduct the area of ​​windows and doors so that the area can be specified as precisely as possible. At the end, around 5 per cent of the waste will be added - in rectangular, flat rooms.

If you want to be on the safe side, you can also hit 10 percent, and then have a set of matching tiles for future repair work in reserve.

### Compute more complicated surfaces or uneven tiles

In some cases it may happen that the area calculation becomes more complicated - for example, if you want to tile in half or third offset, or want to cover a wall in a diagonal bandage with tiles, and also want to install a marginal strip.

In such cases, you should always leave the quantity calculation to a professional instead of venturing to the factory. Also, the blend has to be set higher in some such complicated transfers. Very problematic are mosaic patterns or tiles of different sizes in the wild bandage.

Tips & Tricks

If it's just a small piece of wall, you may still be able to use scale drawings on graph paper, and then manually count the amount of tiles you need. However, you must be careful to draw very correctly. Better you can calculate the tile requirements in the hardware store or tiler.