# How to Determine Square Inches?

To determine square inches is pretty much basic math. Let's start by some simple calculations.

http://www.wikihow.com/Determine-Square-Inches

## 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 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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http://www.answerbag.com/q_view/2008712

## How to Convert Square Inches to Square Centimeters?

A square inch, primarily used in the United States or England, stands for a unit of measurement of an area. The International System of Units (SI) defines the square meter to express an area size; ...
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http://www.ehow.com/how_6352230_convert-square-inches-square-centimeters.html

## 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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