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The diagonal of an 18x18 tile is 18*sqrt(2) = 25.46 units.

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Q: How do you calculate 18 x 18 tile on a diagonal?
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What is the diagonal measurement of a 18 x 18 square?

The diagonal measurement of an 18 x 18 square is: 25.46 units.


How many tile would i need if the tile were 12 x 12 and the area of the floor is 16.5 linear ft x 18 linear feet?

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Calculate the length of the diagonal of a square with sides of 6 cm?

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Calculate the diagonal of rectangle area 120 meters squared side A is x plus 3 side B is x plus 10?

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How many square feet in a 24 x 18 tile?

A 24" by 18" tile is 432 square inches or three square feet.


How many sq ft in 18 x 18 tile?

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How many 18 x 18 square feet carpet tile to cover 90 yards?

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How many 18 x 18 tile what I need to cover 120 square-foot?

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What is the diagonal of a 20ft x 20ft square?

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How much tile do you need if you have 159 sq ft using 18x18 tile?

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Your house is 1300 square feet you are purchasing tiles that are 18 x 18 How many tiles do you need to buy?

I assume 18 x 18 is in inches. That's 1.5 x 1.5 feet, or 2.25 square feet, for each tile. Just divide the total area by the area of each tile.