Use this Parson Russell Terrier puppy weight calculator to predict how big your puppy will get. Parson Russell Terriers are a terrier breed that typically reach full size by around 12 months.
Enter your puppy's current weight and age to predict their adult size
Estimates based on breed growth curves. Individual dogs vary with genetics and nutrition — check with your vet for a personalized read.
Indoor/outdoor enclosure — a good fit for toy and small breeds.
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| Age | Weight |
|---|---|
| Birth | 0.3 to 1 lbs |
| 2 Months | 3 to 5 lbs |
| 3 Months | 5 to 7 lbs |
| 4 Months | 6 to 9 lbs |
| 5 Months | 7 to 10 lbs |
| 6 Months | 8 to 12 lbs |
| 7 Months | 10 to 14 lbs |
| 9 Months | 11 to 15 lbs |
| 10 Months | 12 to 17 lbs |
| 1 Year | 13 to 17 lbs |
| 1.5 Years | 13 to 17 lbs |
| 2 Years | 13 to 17 lbs |
Estimated from typical toy-breed growth curves and the Parson Russell Terrier's adult weight range. Individual puppies vary — use the calculator above for a prediction based on your puppy's actual current weight.
New breed data, growth tips, and puppy-parenting insights, plus our free printable puppy growth tracker.
Prone to patellar luxation and lens luxation; otherwise generally a healthy breed.
A quality diet in measured portions matched to activity level.
The coat (smooth or broken) needs minimal brushing.
Highly intelligent and energetic — consistent, engaging training and serious daily exercise are essential to prevent boredom-driven mischief.
A bold, athletic English terrier bred to run alongside horses and go to ground after foxes, closely related to the Jack Russell Terrier.
Clever and energetic, Parson Russells need real daily activity and mental engagement.
