Tiles are sold in packs and the size and number of tiles contained in the pack will determine the area of floor that they will cover - usually stated in both metric and imperial measurements. If the area is given only in metric, then measure the room in metric or errors could occur in your calculations.
Measure the room and multiply the width by the length to find its total area. Any reveal or bay should be measured separately and its total area added to the main floor area. Round up the total to the nearest whole number to establish the number of packs of tiles you need to buy.
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