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Russell Terrier Growth Chart
The Russell Terrier is a small, athletic fox-hunting terrier packed with energy — quick, clever, and always on the move. Males and females typically weigh 9–15 lb as adults. Russell puppies usually reach their full adult size around 10–12 months.
View weight chart (lb & kg)Calculate Your breeds.russell-terrier Puppy's Adult Weight
Enter your breeds.russell-terrier puppy's age and current weight for an estimated adult weight range.
breeds.russell-terrier weight by age
Typical male and female puppy weight ranges by age, available in lb and kg. Individual puppies may vary.
Most breeds.russell-terrier puppies approach adult weight around 11 months, although individuals may finish earlier or later.
These estimated ranges combine the breed's adult weights with a size-based growth curve. They are not measured breed-specific percentiles or health targets. Month labels are rounded approximations; use the week values for each row. How these weight ranges are calculated
breeds.russell-terrier Growth Stages
Understanding the typical growth stages helps you know what to expect as your breeds.russell-terrier puppy grows.
Neonatal
0–2 weeksPuppies are born with eyes and ears closed, relying entirely on their mother. Rapid weight gain occurs during this period.
Socialization
3–12 weeksEyes and ears open. Puppies begin to explore, play, and learn social behaviors. This is a critical period for development.
Juvenile
3–6 monthsRapid growth continues. Puppies become more independent, start teething, and develop coordination.
Adolescent
6–10 monthsGrowth rate begins to slow. Puppies reach sexual maturity and may test boundaries. Muscle mass develops.
Young Adult
10–12 monthsGrowth is nearly complete. Your puppy is filling out and approaching adult proportions.
Adult
12+ monthsYour puppy has reached their full adult size. Weight should remain relatively stable with proper nutrition.
breeds.russell-terrier FAQ
How much will my Russell Terrier puppy weigh as an adult?
An adult Russell Terrier typically weighs between 9 and 15 lb, with males and females falling in roughly the same range. Athletic, well-muscled individuals can sit at the top of the band. Individual dogs vary, so treat these ranges as a guide rather than a promise.
At what age is a Russell Terrier fully grown?
Most Russell Terriers reach their full adult weight around 10–12 months of age. They often look finished a little earlier, while muscle keeps developing with their famously high activity level. If your Russell is still filling out at 12 months, that is usually normal.
How accurate is a Russell Terrier puppy weight chart?
Quite accurate, since the range is small — but Russell Terriers range from compact to very athletic, and a well-muscled, active dog can sit at the top of the band. Activity level changes muscle weight more than you'd expect in a terrier this small. Follow the trend, not one reading.
How much should a Russell Terrier puppy weigh at 12 weeks?
Check the 12-week row in the weight-by-age table above for the estimated male and female ranges. If your puppy falls well outside that band, re-check the scale, the lb/kg setting, and the age entry first — a single off reading is more common than a truly unusual puppy.
Do male and female Russell Terriers grow differently?
Very little — both sexes typically weigh 9–15 lb as adults. Individual frame and energy level matter more than sex here. Expect the two growth curves to track closely together.