IV Infusion Rate
Volume divided by time
Formula
volume ÷ time in hours
Worked example
A fictional 1,000 mL over 8 hours gives 125 mL/hour.
No fluid, device, compatibility, line or monitoring check is performed.
Open the interactive calculator
Educational medication-calculation arithmetic practice only. Use fictional or tutor-provided values. Do not enter patient information or use the result for an individual patient.