Parson Russell Terrier puppy weight calculator

Parson Russell Terrier adults usually weigh about 13 to 17 lb and are close to full size by about 10 to 12 months. A typical 12-week-old Parson Russell Terrier weighs about 4.5 to 6 lb.

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Adult weight: about 13 to 17 lb (small)

8 to 52 weeks

In pounds

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Parson Russell Terrier adults usually weigh

about 13 to 17 lb

At 12 weeks, Parson Russell Terrier puppies are typically about 35% of their adult weight, with most of their growing still ahead.

Typical puppy growth curveTypical weight from 8 weeks to 52 weeks, rising to 13 to 17 pounds as an adult. Your puppy: 5 pounds at 12 weeks.05101520816263952Age in weeksWeight (lb)
Typical range Your puppy today

Estimates vary, and every puppy grows at their own pace. Ask your vet about your puppy’s growth.

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Typical Parson Russell Terrier weight by age

AgeTypical weight
8 weeks3 to 3.5 lb
12 weeks4.5 to 6 lb
16 weeks6 to 8 lb
5 months8.5 to 11 lb
6 months9.5 to 12 lb
9 months12 to 16 lb
12 months13 to 17 lb

Puppies sit above and below these figures, and every puppy grows at their own pace. Ask your vet about your puppy’s growth.

Parson Russell Terrier questions

How big will my Parson Russell Terrier get?

Most Parson Russell Terrier adults weigh about 13 to 17 lb. Individual dogs vary, and the parents' size is often a helpful guide.

When do Parson Russell Terrier puppies stop growing?

Parson Russell Terrier puppies are usually close to adult weight by about 10 to 12 months. At 6 months a typical Parson Russell Terrier weighs about 9.5 to 12 lb, around 73% of adult weight.

How much does a 12-week-old Parson Russell Terrier weigh?

Typically about 4.5 to 6 lb, and by 16 weeks about 6 to 8 lb. Puppies sit above and below these figures, and every puppy grows at their own pace. If you have questions about your puppy's growth, ask your vet.

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