centipoise cP poise P poiseuille Pl kilogram per metre second kg m-1 s-1 pascal second (newton second per square metre) Pa s (N s m-2) kilogram-force second per square metre kgf s m-2 pound-force second per square foot lbf s ft-2 pound-force hour per square foot lbf h ft-2 pound per foot second lb ft-1 s-1 pound per foot hour lb ft-1 h-1