Infusion rate from per-kg-per-hour dose

Pump rate for drugs dosed per kg per hour (insulin U/kg/h, midazolam mg/kg/h, propofol mg/kg/h, fentanyl mcg/kg/h, dexmedetomidine mcg/kg/h).

Dose per kg per hour

unit/kg/h

Weight

Concentration

unit/mL

Pump rate

7.0 mL/h

Formula

dose * weight / conc

Notes

Use the same unit for dose and concentration (U with U/mL, mg with mg/mL, mcg with mcg/mL). Example: fixed-rate insulin 0.1 U/kg/h with 50 U in 50 mL (1 U/mL).

Used in

PE risk stratification and thrombolysis Daily ECMO checks and rounds ECMO complications and emergencies Heparin vs citrate anticoagulation Acute mesenteric ischaemia Acute liver failure and King's College criteria

Calculators support, not replace, clinical judgement. Check inputs and units, and confirm doses with your unit protocol.