Pressure & Stress Converter Pressure & Stress Converter Pascals (Pa) Kilopascals (kPa) Megapascals (MPa) Bars (bar) Atmospheres (atm) Pounds per Square Inch (psi) To: Pascals (Pa) Kilopascals (kPa) Megapascals (MPa) Bars (bar) Atmospheres (atm) Pounds per Square Inch (psi) Convert