Use this Teddy Roosevelt Terrier puppy weight calculator to predict how big your puppy will get. Teddy Roosevelt 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.
A practical pick for medium-sized breeds.
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| Age | Weight |
|---|---|
| Birth | 0.2 to 1 lbs |
| 2 Months | 1 to 5 lbs |
| 3 Months | 2 to 8 lbs |
| 4 Months | 3 to 10 lbs |
| 5 Months | 4 to 13 lbs |
| 6 Months | 4 to 15 lbs |
| 7 Months | 5 to 18 lbs |
| 9 Months | 6 to 20 lbs |
| 10 Months | 7 to 23 lbs |
| 1 Year | 8 to 25 lbs |
| 1.5 Years | 8 to 25 lbs |
| 2 Years | 8 to 25 lbs |
Estimated from typical medium-breed growth curves and the Teddy Roosevelt 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.
Generally a healthy breed; patellar luxation, common in small terrier breeds, can occur.
A quality diet in measured portions matched to activity level.
The short coat needs minimal brushing.
Intelligent and trainable, though genuinely independent — consistent, engaging training and secure fencing (given real prey drive) both matter.
A small American hunting terrier, lower-set and more heavily boned than the related Rat Terrier, with ancestry tracing to Feists, Bull Terriers, Smooth Fox Terriers, and Whippets.
Lively and affectionate with family, Teddy Roosevelt Terriers can be reserved with strangers but retain genuine terrier grit and a strong prey drive.
