Free · No login

Veterinary Calculators

Always verify calculations with established references before clinical use.

CRI Calculator

Constant rate infusion dilution

Multi-Drug CRI

Combo CRI (2-3 drugs in one bag)

Body Surface Area

BSA for chemotherapy dosing

Enter all required inputs to calculate.

Dehydration Replacement

Fluid deficit + maintenance

Reference notes

Maintenance for these hours is delivered within the replacement hours. Set it equal to replacement hours to run maintenance at its usual hourly rate.

Reference notes

Maintenance = reference rate × weight × maintenance hours / hours per day.

Enter all required inputs to calculate.

Shock Bolus

Emergency fluid resuscitation

Enter all required inputs to calculate.

Nutrition (RER/DER)

Daily energy requirements

Reference notes

DER = RER × multiplier. The species and life-stage selection supplies the reference value. For weight loss, enter target weight. Canine gestation 1.8 covers the first 6 weeks; late gestation and lactation needs rise with litter size.

Enter all required inputs to calculate.

Blood Transfusion

Transfusion volume calculator

Enter all required inputs to calculate.

Phlebotomy

Polycythemia treatment volume

Enter all required inputs to calculate.

KPhos Calculator

Potassium phosphate dosing

Reference notes

Enter from the product label (US potassium phosphates injection: 3 mmol P/mL). KPhos mL/h = phosphate mmol/h / phosphorus concentration.

Reference notes

Enter from the product label (US potassium phosphates injection: 4.4 mEq K/mL). Potassium mEq/h = KPhos mL/h × potassium concentration.

Enter all required inputs to calculate.

Insulin CRI

Insulin bag preparation

Enter all required inputs to calculate.

● OPEN APP

The full version lives in the Vetinuity app.

Open Vetinuity →