Phenylephrine Infusion Calculator
Calculate phenylephrine infusion rates and bolus volumes using the selected standard concentration.
Version 1.0.0
Solution
Patient and dose
Infusion rate—
Delivered dose—
Bolus volume—
For professional use only – verify local policy.
Infusion dosing uses actual body weight. The infusion-dose control is capped at 6 μg/kg/min. Rates above 200 μg/min are not recommended.
No clinical values are intentionally saved by this control.
Equations
Delivered dose
Delivered dose (μg/min) = prescribed dose (μg/kg/min) × actual body weight (kg)Infusion rate
Infusion rate (mL/h) = delivered dose (μg/min) × 60 ÷ concentration (μg/mL)Bolus volume
Bolus volume (mL) = bolus dose (μg) ÷ concentration (μg/mL)References
- U.S. Food and Drug Administration. Phenylephrine Hydrochloride in 0.9% Sodium Chloride Injection, 80 μg/mL: prescribing information. 2025. Available from: https://www.accessdata.fda.gov/drugsatfda_docs/label/2025/216830s000lbl.pdf