# What is the formula for square inches?

The area of a rectangle is equal to one side multiplied by the other side. This is measured as square inches, or inches squared. The area of a square that has two five-inch sides is 25 square inche...
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## How many 9 inch square floor tiles are needed to cover a rectangular floor that measures 144 inches by 180 inches?

2880 exactly, but if this is ceramic tiles you have to account for grout lines. extras would be recommended

http://wiki.answers.com/Q/How_many_9_inch_square_floor_tiles_are_needed_to_cover_a_rect...

## How many square inches are in 16 square feet?

36,864 square inches

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## How many square inches are in one square foot?

A square foot is a square measuring 1 foot on each side. The area of a square or rectangle is calculated by multiplying the length by the width. In units of feet, this would be1 ft. x 1 ft. = 1 ft....
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## How many square inches in a square meter?

There are 1550.0031 square inches in one square meter. Conversely, there are 0.00064516 square meters in one square inch. So, if you have ten square meters, you will end up with 15500.031 square in...
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