CRI Calculator
Constant rate infusion in mL/hr for analgesia and anesthesia adjuncts. Common drug presets pre-fill typical units; switch to Custom drug for anything not in the list.
Dog: typical 25–80 mcg/kg/min for analgesia. NOT recommended in cats at analgesic CRI doses.
mg / mL
The active-drug concentration in the bag you're running (after any dilution).
Infusion rate
Enter weight, dose rate, and concentration to calculate.
The presets reflect common protocol ranges; clinical doses vary by patient, indication, and species. Always verify against current literature and the source citation on the relevant drug page.
Reference only — not veterinary advice. See the full disclaimer.