This calculator allows you to convert from Pound-force/square foot to Ton-force (long)/square foot and in a reverse direction. To convert from Pound-force/square foot to Ton-force (long)/square foot, enter the amount of Pound-force/square foot into the first input and to convert from Ton-force (long)/square foot to Pound-force/square foot, enter the amount of Ton-force (long)/square foot into the second input.