NB: The "Open Area" part of this calculator ONLY works out the square metreage and doesn't allow for wastage. If you round the Width up to the nearest 2mt, it will give you a good idea of the amount of Floorcovering needed and what to expect the cost of your job to be. It would be advisable to use the multi room calculator if you require a more accurate estimate. The final price will probably read a bit lower, depending on the wastage. This should only be taken as an approximate price as other aspects Will also play a role in the final costing of your job.