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June 17, 2026 · 5 min read

A Healthy Weight Guide for Dogs and Cats

Why weight matters for long-term health, how to spot a healthy body condition, and what to track over time.

Weight affects lifelong health

Carrying extra weight is linked to joint problems, diabetes, and a shorter, less comfortable life, while being underweight can signal illness. A healthy weight is one of the simplest things owners can influence.

Your veterinarian can tell you your pet's ideal range and a target body condition.

Look and feel, not just the scale

Body condition scoring is a practical check you can do at home alongside weighing.

  • You should feel the ribs easily without pressing hard
  • There should be a visible waist when viewed from above
  • The belly should tuck up, not sag, from the side
  • Sudden gains or losses deserve a vet visit

Track weight regularly

Recording weight monthly turns slow drift into something you can act on. Any diet or exercise change for weight loss should be planned with your veterinarian, especially for cats, where rapid weight loss can be dangerous.