DraftSight print

good morning, i have question about plotting, I'm plotting paper which 30x 44 scale 1:1, when I measure the paper is off 1/8"  of  44" length size and height is off 1/16" of 30" height size i want to know why its like that. because in auto cad  if I plot paper scale of !:!  the result you can right size of paper that you plot thank you

OBO Anthony Pike