This calculator allows you to convert from Poundal/square foot to Kilogram-force/sq. millimeter and in a reverse direction. To convert from Poundal/square foot to Kilogram-force/sq. millimeter, enter the amount of Poundal/square foot into the first input and to convert from Kilogram-force/sq. millimeter to Poundal/square foot, enter the amount of Kilogram-force/sq. millimeter into the second input.