Pet Age in Human Years

Calculate your dog or cat's age in human years using the species-specific formula.

Calculator

Daily Calorie Calculator (RER & DER)

Calculate the resting energy and daily energy requirement for dogs and cats based on weight and activity.

Calculator

Body Condition Score

Visual 9-point BCS guide for dogs and cats with assessment criteria.

Assessment

IV Fluid Rate Calculator

Maintenance, deficit, and shock rate calculations with mL/hr and drops/min output.

Calculator

Normal Vital Signs Reference

Normal heart rate, respiratory rate, temperature, and BP by species and size.

Reference

Drug Dosage Calculator

Calculate doses for the most common veterinary drugs across dog, cat, and horse.

Calculator

Free tools for veterinarians

Practical tools for veterinarians, brought to you for free by VetStack. Designed to make your work easier.

92 tools

Pet Age in Human Years

Calculate your dog or cat's age in human years using the species-specific formula.

Calculator

Daily Calorie Calculator (RER & DER)

Calculate the resting energy and daily energy requirement for dogs and cats based on weight and activity.

Calculator

Body Condition Score

Visual 9-point BCS guide for dogs and cats with assessment criteria.

Assessment

IV Fluid Rate Calculator

Maintenance, deficit, and shock rate calculations with mL/hr and drops/min output.

Calculator

Normal Vital Signs Reference

Normal heart rate, respiratory rate, temperature, and BP by species and size.

Reference

Drug Dosage Calculator

Calculate doses for the most common veterinary drugs across dog, cat, and horse.

Calculator

Pregnancy Due Date Calculator

Estimated whelping or queening date from mating, LH-surge, or breeding date.

Calculator

CRI (Constant Rate Infusion) Calculator

Build a CRI for fentanyl, ketamine, lidocaine, MLK, FLK and more.

Calculator

Modified Glasgow Coma Scale (MGCS)

Neurological assessment for veterinary head trauma patients - motor, brainstem, level of consciousness.

Assessment

Puppy & Kitten Vaccine Schedule Generator

Generate a core and lifestyle vaccine schedule from age and species, based on AAHA/AAFP guidelines.

Reference

Equine Weight Estimator

Estimate horse weight from heart girth and body length using the Carroll & Huntington formula.

Calculator

Glasgow Composite Pain Scale (CMPS-SF)

Validated 6-section acute pain score for dogs. Analgesia threshold ≥ 6/24.

Assessment

Pet Temperature Converter

Celsius / Fahrenheit conversion with species-specific normal range and fever flags.

Reference

Pet Weight Converter (kg / lb)

Kilograms to pounds and back with typical adult weight reference ranges by species.

Reference

Pet Toxicity Calculator

Common household and food toxins with dose-by-weight risk thresholds.

Reference

Emergency Drug Doses (Crash Cart)

Weight-based CPR, anti-arrhythmic, reversal, anti-seizure and pressor doses on a single card.

Reference

Lab Reference Ranges (Dog & Cat)

CBC, chemistry and urinalysis reference intervals for dog, cat, horse and rabbit.

Reference

Anesthesia Protocol Builder

Premed, induction and maintenance recipes for healthy young, healthy senior and cardiac-compromised dogs and cats.

Calculator

Body Surface Area (BSA) Calculator

Convert weight to m² for chemotherapy dosing in dogs and cats.

Calculator

Pregnancy & Whelping Tracker

Day-by-day milestones from breeding date to expected whelping or queening.

Reference

Dehydration Assessment Calculator

Estimate fluid deficit from clinical signs and body weight. Outputs 6h and 24h replacement rates.

Calculator

Heart Murmur Grading (1-6)

Standard 6-point veterinary murmur grading reference with clinical implications.

Reference

Feline Grimace Scale (FGS)

Validated 5-action-unit facial expression pain score for cats. Analgesia threshold ≥ 4/10.

Assessment

IRIS CKD Staging Calculator

Stage feline and canine chronic kidney disease by creatinine + SDMA per IRIS guidelines.

Calculator

Insulin Starting Dose Calculator

Starting insulin dose for newly diagnosed diabetic dogs and cats by product and weight.

Calculator

Heat Stroke Risk for Pets

Is it safe to walk your pet? Combines temperature, humidity and breed risk.

Calculator

Dental Disease Scoring (1-4)

AVDC periodontal disease stages, fracture classification and common findings.

Assessment

Breed Disease Predisposition

High-frequency breed-related conditions worth screening for in common dog and cat breeds.

Reference

Parasite Prevention Schedule

Heartworm, flea, tick and intestinal parasite prevention reference for dogs and cats.

Reference

CPR Compression / Drug Timer

RECOVER-aligned 2-minute compression cycle + 3-5 minute drug interval timer.

Calculator

Capnography (ETCO2) Reference

Normal ETCO2 ranges, low / high interpretation and waveform abnormalities.

Reference

Eye Exam Findings Reference

Schirmer tear test ranges, IOP, common findings and PLR interpretation.

Reference

Wound Care Reference

Healing phases, wound class, dressing choice by phase and antimicrobials.

Reference

Common Drug Interactions

Clinically important veterinary drug interactions: NSAIDs, opioids, antibiotics, cardiac.

Reference

Cushing's Disease Test Interpretation

LDDST, ACTH stim and UCCR interpretation, plus PDH vs ADH differentiation.

Reference

Puppy & Kitten Vital Signs

Normal HR, RR, temperature and weight gain for puppies and kittens by age.

Reference

Veterinary Math Reference

Common conversions: weight, temperature, drug concentrations, drip sets, catheters.

Reference

Senior Wellness Screening Schedule

AAHA-aligned wellness screening from puppy / kitten through geriatric.

Reference

ECG Reference Ranges

Normal HR, P-R, QRS, Q-T intervals on lead II for dog and cat.

Reference

Blood Gas Interpreter

Step-by-step acid-base interpretation: primary disturbance + compensation from pH, PCO2 and HCO3.

Calculator

Tick-Borne Disease Reference

Lyme, anaplasmosis, ehrlichiosis, RMSF and babesiosis presentation and treatment.

Reference

Vaccine Titer Reference

Protective titer thresholds for dog and cat core vaccines + when to use titers.

Reference

Anaphylaxis Treatment Doses

Weight-based epinephrine, antihistamine, steroid, H2 blocker and IV fluid doses.

Calculator

Snake Bite Treatment Reference

Pre-hospital advice, workup, antivenom indications and supportive care.

Reference

Feline Hyperthyroidism Treatment

Methimazole starting dose by T4 severity with target range and monitoring schedule.

Calculator

Calcium / Phosphorus Reference

Normal Ca and P ranges with hypercalcaemia and hypocalcaemia interpretation.

Reference

MDR1 Drug Sensitivity Checker

Check which breeds and drugs carry MDR1 (ABCB1) risk - ivermectin, loperamide, and chemotherapeutics in Collies, Aussies, and other herding breeds.

Reference

Canine Chronic Pain Index

Score chronic pain severity and functional interference in dogs with osteoarthritis using a CBPI-style 10-item questionnaire.

Assessment

No-Show & Cancellation Cost Calculator

Calculate how much no-shows and late cancellations actually cost your practice per year.

Practice Tool

Veterinary Staffing Ratio Calculator

Calculate your tech-to-DVM and support-staff ratios and compare against commonly cited practice-management benchmarks.

Practice Tool

PIMS Switching Cost & Downtime Calculator

Estimate the real cost of switching veterinary practice management software - lost revenue, training time, and migration fees.

Practice Tool

Corrected Sodium & Free Water Deficit Calculator

Calculate glucose-corrected sodium, free water deficit, and a safe correction rate for hyper/hyponatremia in dogs and cats.

Calculator

Anion Gap Calculator

Calculate the anion gap from sodium, potassium, chloride and bicarbonate, with differentials for high and low results in dogs and cats.

Calculator

Client Discharge Instructions Generator

Generate printable, editable client discharge instructions for common procedures - spay/neuter, dental, wound closure, GI upset, ear infections, and ortho.

Practice Tool

Pet Insurance Value Calculator

Enter your pet insurance quote details to calculate your break-even point and compare out-of-pocket costs with vs without coverage.

Practice Tool

Veterinary Compensation & Effective Hourly Rate Calculator

Compare job offers properly - calculate true total compensation and effective hourly rate accounting for benefits, on-call time, and actual hours worked.

Practice Tool

Veterinary Practice Valuation Calculator

Estimate your veterinary practice value using the standard adjusted-EBITDA-times-multiple method used in practice sales and consolidator offers.

Practice Tool

Vertebral Heart Score (VHS) Calculator

Calculate Vertebral Heart Score from radiographic long-axis and short-axis vertebral measurements and compare against species reference ranges.

Calculator

Blood Type & Transfusion Compatibility Reference

Reference for canine DEA blood groups and feline A/B/AB blood types, transfusion compatibility, and when crossmatching is required.

Reference

Coagulation Panel Interpretation Reference

Interpret PT, aPTT, platelet count, BMBT, fibrinogen, and D-dimer patterns to narrow the differential for a bleeding or clotting disorder in dogs and cats.

Reference

Toxic & Safe Plants Reference (Dogs & Cats)

Look up which common houseplants and garden plants are toxic to dogs and cats, by toxicity tier, and which are safe.

Reference

Household Toxins Reference (Non-Food)

Look up common non-food household hazards - antifreeze, rodenticides, batteries, essential oils, and more - with mechanism and urgency for dogs and cats.

Reference

Adult Breed Weight Reference Chart

Look up typical adult weight ranges by dog and cat breed, from toy breeds to giants, to sanity-check a patient or pet against breed norms.

Reference

Fecal Parasite Egg Identification Reference

Identify roundworm, hookworm, whipworm, tapeworm, coccidia, and Giardia on fecal exam - appearance, size, and the best diagnostic test for each.

Reference

Urine Sediment & Crystal Reference

Identify struvite, calcium oxalate, ammonium biurate, and cystine crystals plus urinary casts on sediment exam, with clinical significance for each.

Reference

Skin & Ear Cytology Reference

Identify Malassezia, cocci and rod bacteria, and Demodex, Sarcoptes, Cheyletiella, and ear mites on skin and ear cytology, with clinical significance.

Reference

Blood Smear Morphology Reference

Reference for RBC, WBC, and platelet morphology findings on a blood smear - spherocytes, schistocytes, Heinz bodies, left shift, and more.

Reference

Suture Material & Needle Reference

Reference for absorbable and non-absorbable suture materials, USP sizing, and cutting vs taper needle selection in veterinary surgery.

Reference

Anesthesia Monitoring Targets Reference

Normal heart rate, blood pressure, SpO2, EtCO2, and temperature targets during general anesthesia in dogs and cats - distinct from resting vital signs.

Reference

Veterinary Controlled Substance (DEA Schedule) Reference

Look up DEA schedule classification (II-V) for common veterinary drugs like ketamine, fentanyl, butorphanol, and tramadol - federal reference, verify state rules.

Reference

Veterinary Antibiotic Spectrum of Activity Reference

General spectrum-of-activity reference by antibiotic class - penicillins, cephalosporins, fluoroquinolones, sulfonamides, and more - for veterinary pharmacology education.

Reference

Veterinary NSAID Comparison Reference (Dog & Cat)

Compare approved canine and feline NSAIDs - carprofen, meloxicam, deracoxib, firocoxib, robenacoxib, grapiprant - and the key safety rules for switching or combining them.

Reference

Avian Normal Values Reference

General reference ranges for heart rate, respiratory rate, body temperature, and PCV in small, medium, and large pet birds.

Reference

Rabbit, Guinea Pig & Ferret Normal Values Reference

Normal heart rate, respiratory rate, temperature, and PCV reference ranges for rabbits, guinea pigs, and ferrets, with key species-specific clinical notes.

Reference

Canine & Feline Stress and Body Language Signals Reference

Recognize early, moderate, and overt stress signals in dogs and cats - lip licking, whale eye, ear position, and more - to intervene before escalation.

Reference

Corrected Calcium Calculator

Calculate albumin-corrected total calcium for dogs and cats - with an important caveat about why ionized calcium is the more reliable test.

Calculator

Calculated Osmolality & Osmolar Gap Calculator

Calculate osmolality from sodium, potassium, glucose, and BUN, and compute the osmolar gap - a key early screening tool for ethylene glycol toxicity.

Calculator

Potassium Supplementation & Maximum Safe Rate Calculator

Look up the standard KCl supplementation sliding scale and calculate the maximum safe IV fluid rate that keeps potassium delivery under 0.5 mEq/kg/hr.

Calculator

Ideal Body Weight Calculator for Drug Dosing

Estimate ideal/lean body weight from current weight and BCS, for dosing decisions where actual weight would risk overdosing an obese patient.

Calculator

Local Anesthetic Max Safe Dose Calculator

Calculate the maximum safe total dose and volume of lidocaine or bupivacaine for a dental or regional block in dogs and cats.

Calculator

Insulin Syringe Unit Conversion Calculator (U-40 vs U-100)

Check whether your insulin concentration and syringe type match, and see the dangerous dosing error that results from a U-40/U-100 mismatch.

Calculator

Blood Transfusion Volume Calculator

Calculate the transfusion volume needed to raise PCV to a target level in dogs and cats, using the standard weight-based transfusion formula.

Calculator

Enteral / Feeding Tube Rate Calculator

Calculate daily and per-feeding volume for tube feeding from RER and diet caloric density, with a refeeding-syndrome-safe ramp-up schedule.

Calculator

Weight Loss Target & Timeline Calculator

Calculate a safe weekly weight loss rate and estimated timeline to target weight for dogs and cats, with a starting daily calorie estimate.

Calculator

Neonatal Apgar Score Calculator

Score neonatal vigor at birth using a 5-category, 0-10 point system modeled on the published veterinary neonatal Apgar score - built for post C-section puppies.

Calculator

Tumor Volume & Doubling Time Calculator

Calculate tumor volume from caliper measurements using the modified ellipsoid formula, and track growth or shrinkage rate between visits.

Calculator

Oxygen Flow Rate Calculator

Calculate a starting flow-by or nasal cannula oxygen flow rate range based on patient weight, for titration against actual patient response.

Calculator

Pet Quality of Life Scale (HHHHHMM)

Score Hurt, Hunger, Hydration, Hygiene, Happiness, Mobility, and More Good Days Than Bad to assess quality of life in a seriously ill or aging pet.

Assessment

Radiographic Technique & Exposure Principles Reference

kVp, mAs, the 15% rule, the inverse square law, and grid selection - the principles for building a technique chart calibrated to your own equipment.

Reference

Veterinary Practice Acquisition Loan Calculator

Calculate the monthly payment, total interest, and debt service coverage ratio for a veterinary practice acquisition loan.

Practice Tool

True Cost of a New Hire Calculator

Calculate the real annual cost of a new employee - salary plus payroll taxes, benefits, workers comp, and onboarding - not just the salary line.

Practice Tool

Veterinary Practice Overhead Percentage Calculator

Calculate your practice overhead as a percentage of revenue by category, and compare against commonly cited practice-management benchmarks.

Practice Tool

Looking for condition reference, not a calculator?

Browse our free clinical reference and printable client handout library.

View condition library

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