This calculator allows you to convert from Ton-force (long)/square foot to Inch mercury (60°F) and in a reverse direction. To convert from Ton-force (long)/square foot to Inch mercury (60°F), enter the amount of Ton-force (long)/square foot into the first input and to convert from Inch mercury (60°F) to Ton-force (long)/square foot, enter the amount of Inch mercury (60°F) into the second input.