# Fluid Instantaneous Discharging Flow Rate Calculator

getcalc.com's **Geometric Flow Rate Calculator** is an online mechanical engineering tool for fluid mechanics to calculate the instantaneous flow rate being discharged from the pump, due to piston motions in the cylinders, in both US customary & metric (SI) units.

## Definition & Formula

**Geometric Flow Rate** of cylinder is a measure of instantaneous flow rate being discharged from the pump, due to piston mechanism in the cylinders with geometric interpretations.