# IV Drip Rate Calculations

## Calculating IV Drip Rates

To calculate an IV drip rate based on the volume of fluid to be infused over time.

Drops per minute = | Volume to be infused in cc X Drop factor of IV set |
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(Time in minutes) |

To calculate an IV drip rate for a medication that is administered based on a specified dosage to be infused per minute

Drops per minute = | Dosage per minute to be administered X Drop factor (60) |
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(Concentration of medication per ml) |

**Hint:** Make sure the unit
measurement of the concentration and the dosage are the same.
i.e. both in milligrams

To calculate an IV drip rate for a medication that is administered based on a specified dosage per kilogram of body weight per minute

Drops per minute = | Desired dosage per minute X Weight in Kg X Drop factor of IV set |
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(Concentration of medication per ml) |

**Hint:** Make sure
the unit measurement of the concentration and the dosage are the same.
i.e. both in milligrams

## Other handy items to review

Convert pounds to kilograms: Divide pounds by 2.2

1 gram = 1000 milligrams

1 milligram = 1000 micrograms