Infusion Rate Calculator (mL/hr) Field Guide: When One Volume, One Time Window, and One Pump Units Check Decide Whether the Drip Lands Where the Order Said or Somewhere You Have to Chase

An infusion-rate calculation looks like arithmetic on a worksheet — total volume divided by total time — and most of the time it is. The trap is the three silent-failure modes that hide behind the simple formula: wrong pump units, wrong bag contents, and wrong duration interpretation.