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Critical Care / ICU

IV Drip Rate Calculator

Calculate gravity infusion flow in drops per minute.

Volume

mL

Infusion time

min

Tubing drop factor

FORMULA(Volume × drop factor) ÷ time in minutes

Confirm the tubing drop factor printed on the administration set before calculating.

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Quick reference

What this calculator is for

This calculator estimates the gravity-flow rate needed to deliver a specified volume over a specified time.

Commonly used for

Gravity IV infusions
Manual flow-rate checks
Medication-administration study

Keep in mind

Verify tubing drop factor, prescribed volume, infusion time, medication compatibility, and facility policy before administration.

Education & reference only

Always verify calculations and clinical decisions with institutional protocols and qualified clinical judgment.

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