# Heparin Drip Calculation Formula

Heparin drip is used to decrease the clotting ability of the blood and help to prevent the harmful clots from forming in blood vessels. It delivers through an IV line.

The following calculation formula is to be used when calculating Heparin doses:

#### FAQs

1. What is heparin 25000 units in 500ml?

A Heparin bag that is used for treatment of thromboembolic disorders such as thrombophlebitis, pulmonary embolism, coronary or venous thrombosis and occlusive vascular disease.

2. How many mL is 25000 units of heparin?

The bag of Heparin is contained 25,000 units/250 mL or 25,000 units/500 mL.

3. How do you convert heparin units to mL?

Total Amount of Heparin infusion (mL) = (Total Units of Heparin × mL/hour) ÷ Units/hour

#### Heparin Drip Calculation Practices

1. Order: Heparin 40,000 Units in 1000 mLs D5W. Infuse 800 Units/hour.  How many mLs/hr would you administer?

2. Order: Heparin 20,000 Units in 500 mLs of D5W.  Infuse at 30 mLs/hr.  How many hours will the IV run?

3. Order: Heparin 20,000 Units in 500 mLs D5W. Infuse at 1000 Units/hr. How many mLs/hr will you infuse?

4. Order: Heparin 10,000 Units in 500 mLs of NS, run at 10 mLs/hr.  How many units/hr will you infuse?

5. Order: Heparin 1400 Units/hr. Available you have Heparin 25,000 Units in 500 mLs D5W.  How many mLs/hr would you administer?

6. Order: Heparin 25,000 Units in 500 mLs D5W. Infuse at 25 mLs/hr. How many Units/hr would you administer?

Read also: Rate of Flow Calculation in Pharmacy