216 inches x 18 inches = 3888 sq.inches x (1ft/12inches)2
=3888/144
=27sq.ft
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216 square inches is 1.5 square feet.
If you mean "what is it in square inches", it is 216 square inches.
216 inches is 18 feet.
There are 12 inches in one foot. Therefore, 216 inches is equal to 216 / 12 = 18 feet.
6 yards 18 feet 216 inches