Pet Weight Tracker
Log your pet\u2019s weight, track trends, and monitor body condition — all in one place. Free, private, and built for pet parents who want data-driven health insights.
Log Weigh-Ins
Record your pet’s weight on any schedule — daily, weekly, or monthly. Track multiple pets in one dashboard.
Visual Trends
See weight changes over time with clear, interactive charts. Spot unhealthy trends before they become problems.
Body Condition Score
Track BCS (1–9 scale) alongside weight. The gold standard for assessing whether your pet is underweight, ideal, or overweight.
Goal Tracking
Set target weights and get notified when your pet hits milestones. Perfect for weight-loss programs and growing puppies.
Vet-Ready Reports
Export your pet’s weight history as a clean report to share with your veterinarian at checkups.
Community Sharing
Optionally share your pet’s progress with the PetVitals community. Inspire others and celebrate milestones together.
How It Works
Create a free account
Sign up in under 30 seconds. No credit card required.
Add your pet
Enter name, species, breed, and starting weight.
Log & track
Record weigh-ins, BCS scores, and activity levels as you go.
Why Track Your Pet\u2019s Weight?
60% of US cats and 56% of US dogs are overweight or obese, according to the Association for Pet Obesity Prevention. Excess weight is linked to diabetes, arthritis, heart disease, and shortened lifespan.
Regular weight tracking is the single most effective way to catch unhealthy trends early. A 10% weight change in either direction is a signal worth investigating — whether it\u2019s unexpected gain in an adult pet or unexplained loss in a senior.
Body Condition Score (BCS) adds context that weight alone cannot. A 9-point scale used by veterinarians worldwide, BCS accounts for body composition differences across breeds and helps you see past the number on the scale.
Already tracking weight? Figure out the right portions.
Open Feeding Calculator →Ready to start tracking? Create your free account and add your first pet in under a minute.
Start Tracking Now