IV Fluid Rate Calculator

Calculate IV fluid therapy rates for veterinary patients including maintenance and deficit correction.

Enter the patient's body weight in kilograms. Accurate weight is critical for fluid calculations.
kg
Species affects baseline maintenance fluid rates. Cats generally require lower maintenance rates than dogs.
Estimate: 5% = subtle loss of skin turgor; 7% = definite skin tenting, dry mucous membranes; 10% = sunken eyes, prolonged CRT; 12% = shock, moribund.
Standard: 60 mL/kg/day (dogs), 40-50 mL/kg/day (cats). Increase for fever, panting, polyuria. Reduce for cardiac/renal concerns.
Estimated ongoing fluid losses from vomiting, diarrhea, wound drainage, etc. in mL per hour.
mL/hr

Fluid Therapy Plan

Maintenance Rate:-mL/hr
Deficit Volume:-mL
Deficit Replacement Rate:-mL/hr (over 24 hrs)
Total Hourly Rate:-mL/hr
Total 24-hr Volume:-mL
Drip Rate (15 gtt/mL):-drops/min
Drip Rate (60 gtt/mL):-drops/min
References: DiBartola SP, Fluid, Electrolyte, and Acid-Base Disorders; AAHA Fluid Therapy Guidelines; Veterinary Emergency and Critical Care Manual.
Disclaimer: Fluid therapy must be tailored to individual patient needs. Monitor closely and adjust rates based on clinical response.