How Do You Calculate Cubic Inches Of Displacement?
How Do You Calculate Cubic Inches Of Displacement? Cubic Inch displacement (CID) can be determined by using the following formula: CID= (GPM x 231)/RPM. If you’re not sure about your Gallons per Minute (GPM) or Revolutions per Minute (RPM) calculations, you can also measure the gear chamber on your gear pump. What is the formula