To understand the total cost of a new floor, the first thing you will need to do is calculate the size of your room. To do this you must work out the area of the room in m2.
The ease of working out the quantity of flooring you need is dependent on the layout of your room. Rectangular rooms can be calculated easily by multiplying the length by the width (see example 1).
However, if your room is L-shaped, has alcoves or bay windows it may initially look impossible but all you need to do is divide your room into separate rectangles. Once you've done that, simply add the values of the rectangles together to come to your final quantity (see examples 2 and 3).
Don't forget to add at least 10% to your finally quantity for any wastage that comes from trimming and awkward layouts. The easiest way to do this is to multiply the m2 area of your room by 1.10 to get the final total including wastage.