Free pet health tools and calculators
Four interactive tools built on published veterinary instruments — the HHHHHMM and JOURNEYS quality-of-life scales, weight-based dosing, and the 9-point body condition score. Every one runs in your browser, gives a result immediately, and needs no account.
None of them replace your veterinarian. They exist to turn a vague worry into a number you can take to an appointment — and to track over time.
- Quality of life
Dog Quality of Life Scale & Calculator
Score your dog's comfort on the vet-recognised HHHHHMM scale and watch the trend over time.
Open tool - Quality of life
Cat Quality of Life Scale & Calculator
Score your cat's comfort on the vet-recognised HHHHHMM scale — with a compassionate "is it time?" checklist.
Open tool - Dosage
Benadryl Dosage Calculator for Dogs
Enter your dog's weight for the vet-informed Benadryl dose, tablet count, and the safety warnings that matter.
Open tool - Healthy weight
Dog Body Condition Score Calculator
Answer four hands-on questions to score your dog 1–9 on the vet-standard body condition scale, and get an estimated ideal weight.
Open tool
Prefer to read first?
Each tool has a companion guide explaining what the score means, where the scale comes from, and what to do with the result.
Browse all care guides →Track the score over time
A single score is a snapshot. SteadyTails logs these numbers day to day so you, your household, and your vet can see the direction of travel.
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