Cat Weight Calculator (Healthy Range Check)
This Cat Weight Calculator helps you check whether your cat’s current weight is likely underweight, ideal or overweight for its body size and frame. It’s a quick way to spot potential red flags before you talk with your veterinarian.
Check your cat’s weight range
Enter your cat’s current weight and basic body frame to see:
- Whether the weight looks low, ideal or high for that frame
- An approximate “target range” for similar cats
- A reminder to combine weight with body condition scoring
Cat Weight Calculator
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This tool is for educational purposes only and does not replace a professional veterinary examination, body condition scoring or diagnosis.
Example
4.5 kg medium-frame adult cat
- Result: likely within a healthy range for many medium-frame cats.
- Next step: confirm with body condition score and vet exam.
- Watch for slow changes up or down over months, not days.
How to use your cat’s weight estimate
1. Combine weight with body shape
Two cats with the same weight can have very different body conditions. Look for a visible waist, palpable ribs and your vet’s body condition score, not weight alone.
2. Track trends over time
Weigh your cat regularly (for example monthly) using the same scale. Slow, consistent changes are more meaningful than single weigh-ins.
3. Use weight to guide feeding talks
Bring weight data and body photos to your vet when you discuss diet, calories and portion sizes. It helps tailor a safer weight-loss or maintenance plan.
Want healthy ranges by breed?
After using the calculator, read the full guide with healthy weight ranges, body condition examples and when to worry about underweight or overweight cats.