PSI to GPM Conversion CalculatorBy / PSI to GPM Calculator PSI to GPM Calculator Enter Pressure (PSI): Select Pipe Type: 1-inch pipe (K = 1500) 1.5-inch pipe (K = 1000) 2-inch pipe (K = 500) 2.5-inch pipe (K = 300) 3-inch pipe (K = 200) Convert Conversion Result
