Rectangle or Square
Column or Tube
Note: When entering values in feet remember that 6″ is not 0.6 of a foot, it is 0.5 of a foot. As an example, a measurement of 10 feet 3 inches would be entered as 10.25 feet, as 3″ is a 0.25 of a foot. A measurement of 6 feet 9 inches would be entered as 6.75 feet as 9″ is 0.75 of a foot.