PSI Converter Home PSI Converter Convert From: Pascals (Pa) Atmospheres (atm) Bars (bar) Pounds per Square Inch (psi) Torr (Torr) Millimeters of Mercury (mmHg) Kilopascals (kPa) Hectopascals (hPa) Convert To: Pascals (Pa) Atmospheres (atm) Bars (bar) Pounds per Square Inch (psi) Torr (Torr) Millimeters of Mercury (mmHg) Kilopascals (kPa) Hectopascals (hPa) Value: Convert Clear psi to bar psi to Pascal psi to ksi psi to Torr psi to Megapascal psi to Kilopascal psi to Millibar psi to Gigapascal Psi to Hectopascal Psi to Attopascal psi to Microbar psi to Kilogram-force/m² psi to Millimeter Mercury psi to Poundal/square Foot Psi to Pound-force/square Foot Psi to Pound-force/square Inch Psi to Foot Water (60°F) Psi to Standard Atmosphere psi to Inch Water (4°C) psi to Newton/square Meter psi to Inch Mercury (32°F) psi to Newton/square Millimeter psi to Kip-force/square Inch Psi to Kilogram-force/sq. Cm Psi to Ton-force /square Inch psi to Kilonewton/square Meter psi to Ton-force/square Foot psi to Millimeter Water (4°C)