IV flow rate calculator: drops per minute
Drops per minute for gravity infusions, with the working shown. Then try one without the calculator.
Result
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The formula
- gtt/min = volume × drop factor ÷ minutes
- = ___ mL × ___ gtt/mL ÷ ___ min
How this formula works, with examples and mistakes: Drops per minute formula page.
- Dose volumemL = desired ÷ have × volume
- mL per hourmL/hr = volume ÷ hours
- mg per kgmg = kg × mg/kg ordered
- Infusion timehours = volume ÷ mL/hr
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