you can't convert a linear measure - 18 feet to an area - square inches. If you meant what is 18 square feet in square inches then it is 18*12*12 - you can do the arithmetic!
2.25 square feet.
To calculate the area in square feet, you first need to convert the dimensions to feet. Since 1 foot is equal to 12 inches, 18 inches is equal to 1.5 feet. Therefore, 18 inches by 18 inches equals 1.5 feet by 1.5 feet, which is 2.25 square feet.
195 inches = 16.25 feet and 18 inches = 1.5 feet 16.25*1.5 = 24.375 square feet.
Three square feet.
62,208 square inches.
2.25 square feet.
35 square feet.
You don't. You either A) convert 18 cubic inches into cubic feet, or B) convert 18 square inches into square feet. A... there are 1728 cubic inches in a cubic foot, so 18 cu in would be 0.00104 cu ft. B... there are 144 square inches in a square foot, so 18 square inches would be 0.125 sq ft.
72 inches by 36 inches is the same is 6 feet by 3 feet which is 18 square feet.
144 square feet.
To convert inches to feet, divide by 12 since there are 12 inches in a foot. So, 18 inches is equal to 1.5 feet and 36 inches is equal to 3 feet. To find the area in square feet, multiply the length by the width, which gives us 1.5 feet x 3 feet = 4.5 square feet. Therefore, there are 4.5 square feet in an area that measures 18 x 36 inches.
5 square feet