IV Drip Rate
Calculate IV drip rate in drops per minute and flow rate in mL/hr for any infusion. Enter volume, time, and drop factor — essential for nursing and pharmacy calculations.
mL / hour
125.0
gtts / min
42
Educational tool. Not a substitute for clinical judgment, professional diagnosis, or treatment. Always verify with current guidelines.
How to use the iv drip rate
Enter volume to infuse (mL), duration (hours), and the drip factor (gtts/mL — printed on the IV tubing).
Formula & explanation
mL/hr = volume ÷ hours. gtts/min = (volume × drip factor) ÷ (hours × 60).
Examples
1 L over 8 hr with 20 gtts/mL tubing: 125 mL/hr, ~42 gtts/min.
Frequently asked questions
- What's a typical drip factor?
- Macro tubing is usually 10, 15, or 20 gtts/mL. Micro (pediatric) tubing is 60 gtts/mL.
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