Medical Infusion Rate Calculator

Disclaimer: This calculator is for educational and reference purposes only. Always verify calculations and use professional clinical judgment. The developers disclaim all liability for damages arising from the use of this tool.

Infusion Rate Calculators

Quick Guide: Select the appropriate calculator based on your needs. All calculators work in real-time as you input values. (Note: 1% solution = 10 mg/mL)

Rate Calculator (mL/hr & gtts/min)

Total Volume (mL)

Total Time

Drop Factor (gtts/mL)

Infusion Rate

Drip Rate

Dose-Based Rate Calculator

Desired Dose

Dose Unit

Patient Weight (kg)

Medication Concentration

in mL

Infusion Rate

Duration Calculator

Total Volume (mL)

Infusion Rate (mL/hr)

Infusion Duration

Volume Calculator

Infusion Rate (mL/hr)

Infusion Time

Total Volume

Dilution Helper (C₁V₁ = C₂V₂)

Initial Solution (C₁V₁)

in mL

Desired Concentration (C₂)

Diluent to Add

Final Volume (V₂)

Common Infusion Medications Reference

Reference: Standard concentrations for common IV infusions. Always verify with your institution's protocols.

Vasoactive Drugs

Noradrenaline: 4 mg in 50 mL (80 mcg/mL)

Adrenaline: 4 mg in 50 mL (80 mcg/mL)

Dopamine: 400 mg in 250 mL (1600 mcg/mL)

Dobutamine: 500 mg in 250 mL (2000 mcg/mL)

Sedatives & Analgesics

Propofol: 500 mg in 50 mL (10 mg/mL)

Midazolam: 50 mg in 50 mL (1 mg/mL)

Fentanyl: 1000 mcg in 50 mL (20 mcg/mL)

Morphine: 50 mg in 50 mL (1 mg/mL)

Other Common Infusions

Insulin: 50 units in 50 mL (1 unit/mL)

Heparin: 25,000 units in 250 mL (100 units/mL)

Nitroglycerin: 50 mg in 250 mL (200 mcg/mL)

Lidocaine: 2 g in 250 mL (8 mg/mL)