A common size for floor tiles is 1 square foot in area. how many square inches (in2) are in a square foot (ft2) ?

There are 144 square inches in a square foot.

Explanation

A common size for floor tiles is 1 square foot in area.

We know that, 1 foot = 12 inches.

So, 1 square foot = (1 foot * 1 foot) = (12 inches * 12 inches) = 144 square inches.

So, there are 144 square inches in a square foot.