Standard Volume-to-Weight nversion Factors Feb 28, 2006 · Film plastics, baled 30″ x 42″ x 48″ 1,100 MN STATE Film plastics, baled semi-trailer load 44,000 MN STATE Film plastics, tightly packed by hand 12″ x 12″ x 12″ 3 MN STATE Film plastics, loose and uncompacted 1 cubic yard 85 MN STATE HDPE 10–12 fluid []