IV Flow Rate Calculator

Drops per minute from volume and time.

Volume (mL)

Over

Drop factor (gtt/mL)

Drops per minute (gtt/min) 41.667

Step-by-step with your numbers:

1. Values used:

2. Volume = 1,000 mL

3. Over = 8

4. Drop factor = 20 gtt/mL

5. Drops per minute = 41.667gtt/min

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Calculate IV drip rate. Informational — clinical use requires training.

FAQ

Drop factor?

Macrodrip: 10–20 gtt/mL; microdrip: 60 gtt/mL.