What is 320 PSI in kPa. To convert Pounds per Square Inch psi to Kilopascals kPa you just need to know that 1psi is equal to 689 kPa. Pin On Products Psi to Standard Atmosphere. . For example 10 psi multiplied by 689 is equal to 6895 kPa. 27 psi 18616 kPa. What do 320 PSI mean in kPa. You have two conversion options to convert pounds per square inch psi to kilopascals kPa. Kilopascals kPa are derived form the SI unit for pressure which is the pascal Pa which is also commonly used in Europe. Need to calculate other value. PSI or kPa The SI derived unit for pressure is the pascal. 4 psi x 689475729 2757902916 kPa Result. KPa to psi formula. The first option is to multiply psi by 68947572932 which is the number of psi in one kpa. The kilopascal symbolkPa is a non-SI unit for pressure and is a x1000 multiple of the Pascal unit. The psi psi to pascal Pa conversion table and conversion steps are...