Drug infusion converter

Convert any mcg/kg/min, mcg/min, or mg/kg/hr order to a pump rate. Concentration must be entered in mg/mL of the mixed bag — e.g. 4 mg in 250 mL = 0.016 mg/mL.

Weight (kg)Target doseDose unitsConcentration (mg/mL)

Pump rate

13.1 mL/hr

Target dose: 0.05 mcg/kg/min × 70 kg
→ 3.5 mcg/min → 0.21 mg/hr
Pump rate = 0.21 mg/hr ÷ 0.016 mg/mL = 13.1 mL/hr

Common standard concentrations

Norepi 4 mg / 250 mL = 0.016 mg/mL
Phenylephrine 50 mg / 250 mL = 0.2 mg/mL
Epi 1 mg / 250 mL = 0.004 mg/mL
Vasopressin 20 U / 100 mL = 0.2 U/mL
Propofol 1% = 10 mg/mL
Remifentanil 2 mg / 50 mL = 0.04 mg/mL