To calculate the square footage you will multiply the length of the room by the width of the room. Multiply the width by the length and voila. Area Length Width 13 feet 11 feet 143 square feet Now to calculate the cost of square footage cost price per square foot number of square feet 28 per square foot 143 square feet 4004.
You can get back to inches by multiplying the number of feet by twelve.
You will measure this from the inside of the room. How to Calculate Square Footage Following is how to calculate square footage for any construction property. To calculate the square foot for a rectangle room you need to multiply the length and the width of the area. Square Feet Formula for Rectangles and Squares If the shape youre considering is a square or a rectangle finding the area is as simple as multiplying length times width.