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IV Drip Rate Calculator

Calculate IV drip rates (gtt/min) and infusion rates (mL/hr)

IV Therapy

IV Drip Rate Formula

Drip Rate = (Volume × Drop Factor) ÷ Time

Units: gtt/min = (mL × gtt/mL) ÷ minutes

Total IV fluid volume

Infusion duration

IV set calibration

Common Drop Factors

Common IV Infusions

Clinical Scenarios

Drop Factor Guide

10 gtt/mL
Blood administration sets
15-20 gtt/mL
Standard macrodrip sets
60 gtt/mL
Microdrip/pediatric sets

Quick Reference

Time Conversion: 1 hour = 60 minutes
Formula: (mL × gtt/mL) ÷ minutes = gtt/min
Accuracy: Round to nearest whole drop
Verification: Always double-check calculations

⚠️ Safety Notes

  • Always verify calculations with another nurse
  • Use infusion pumps when available
  • Monitor IV site regularly for infiltration
  • Adjust rates based on patient response