Puppy Size Calculator
Estimate your puppy's future adult size based on current weight and age.
Estimate Puppy Adult Size
Puppy Size Guide
Puppy size can vary widely depending on breed, genetics, nutrition, growth rate, and overall health.
This calculator gives a simple size estimate using current weight and age. It should be used as a general guide only.
Puppy Size FAQ
When do puppies reach full size?
Small breeds may reach full size around 8 to 12 months, while large breeds may continue growing for 18 months or longer.
Can mixed breed puppies be harder to predict?
Yes. Mixed breed puppies can be harder to predict because their adult size depends on multiple genetic factors.