IV Drip Rate Calculator

Calculate IV infusion rate in drops per minute

Drip Rate (drops/min) = (Volume × Drop Factor) / Time in minutes
Example: 1000mL over 8hrs, 20 drops/mL. Rate = (1000×20)/(8×60) = 41.7 drops/min

What is drop factor?

Drop factor is the number of drops per mL delivered by the IV tubing. Standard sets are 10-20 drops/mL, microdrip sets are 60 drops/mL.

How do I calculate IV drip rate?

Drip Rate (drops/min) = (Total Volume × Drop Factor) / Time in minutes

Why is IV rate important?

Proper IV flow rate ensures medications and fluids are delivered safely at the prescribed rate.