YOU MUST CALCULATE YOUR SIZE BEFORE ORDERING. YOUR DIMENSIONS DETERMINE THE SQ. FT. SIZE YOU MUST ORDER. To calculate square feet using feet: Width(feet) x Length(feet) = Square Feet
Example: 7'x4'=28sq.ft
To calculate square feet using inchest: Width (inches) x Length (inches) ; then divide by 144 = Square Feet
Example: 44" x 80" = 3520 square inches (/divided by) 144 = 24.44 square feet