IV Drip Rate Calculator

Online calculator for macrodrip and microdrip infusion rates (gtts/min).

What is IV Drip Rate Calculation?

It is an essential nursing math formula used to determine the exact infusion speed of intravenous fluids, indicating the precise number of drops per minute (gtts/min) or microdrops per minute (mcgtts/min).

  • The Variables: Uses total Volume (V) in milliliters (mL) and Time (T) in hours or minutes.
  • Macrodrip (gtts/min): Uses a drop factor of 10, 15, or 20 gtts/mL (commonly 20 gtts/mL for standard sets).
  • Microdrip (mcgtts/min): Uses a drop factor of 60 gtts/mL (always 60 mcgtts/min, where drops/min equals mL/hour).

IV Flow Rate Calculator

IV drip rate calculation rules

Double-Check Your Math

Use this standard calculator to perform manual calculations or double-check your results.

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