This calculator allows you to convert from Inch water (4°C) to Kip-force/square inch and in a reverse direction. To convert from Inch water (4°C) to Kip-force/square inch, enter the amount of Inch water (4°C) into the first input and to convert from Kip-force/square inch to Inch water (4°C), enter the amount of Kip-force/square inch into the second input.