Puppy Expected Adult Weight Predictor

Estimate your puppy's adult weight based on current age, weight, and breed size.

Enter the puppy's current weight in pounds. Weigh on a reliable scale for best accuracy.
lbs
Enter the puppy's age in weeks. Predictions are most accurate between 8-20 weeks of age.
weeks
Select based on expected adult size. Toy: <10 lbs (Chihuahua, Yorkie). Small: 10-25 lbs (Beagle, Shih Tzu). Medium: 25-50 lbs (Bulldog, Cocker). Large: 50-90 lbs (Lab, GSD). Giant: >90 lbs (Great Dane, Mastiff).

Growth Prediction

Predicted Adult Weight:-lbs
Predicted Range:-
Current % of Adult Weight:-%
Expected Mature Age:-
Growth Rate:-
References: Hawthorne et al. (2004) Body-weight changes during growth in puppies of different breeds; Salt et al. (2020) Growth standard charts for monitoring bodyweight in dogs.
Disclaimer: Predictions are estimates based on averages. Mixed breeds and individual variation can significantly affect adult size.