How to calculate square footage?
It's easy. Follow these steps.
Measure the length in feet, Measure the width in feet. Multiply the length figure by the width figure. This will be your total square footage for that portion of your project. Continue to repeat this for all parts of the space that will get the same tile. Add these together for your total square footage.
Measuring in inches works as well. Do the math the same way, then divide by 144 to get your total in square feet.
When calculating square footage account for the entire space (i.e. under vanity/cabinets).
How much to allow for waste?
To allow for waste, you must consider the installation. For most standard installations, 10% extra for waste is sufficient. Percentage of waste for more elaborate patterns like running tile on a 45 degree angle, herringbone or cross hatch, consult with your installer. Add 15% for tile being installed in a room with lots of jogs and corners. These installations will require more cuts and thus more waste.
Length x Width + Waste = Amount Needed
How to measure for bullnose?
Measure the length of any outside edge where your tile edge would be exposed or you want framed out. Bullnose (also called trim pieces and decorative tiles) are typically sold by the piece. To figure the quantity you have to establish the length of the trim piece (i.e. 6" bullnose, 8" decorative liner), then the rule is: Your total linear length divided by the length of each piece equals your quantity needed.
How to calculate how many pieces of bullnose you will need?
If you have ten feet exposed edge that needs bullnose this is equal to 120". If you selected a 6" bullnose or trim piece, you will need to divide 120" by 6", which will give you 20 pieces of bullnose needed. Using 8" decorative liner for the same 120", you divide 120" by 8" which would be 15 pieces of liner needed.
Measuring for Schluter Profile Edging
Measure the length of any outside edge where your tile edge would be exposed. Not all edging is the same. Speak to your design associate about different uses.