How big does a Jack Russell Terrier get? Adult weight is 9-15 lbs, and growing usually finishes around 11 months. The curve shows the weight to expect along the way.

Age	Expected weight
2 months	2.4-4.1 lbs
3 months	4.1-6.9 lbs
4 months	5.5-9.1 lbs
5 months	6.6-11 lbs
6 months	7.7-12.9 lbs
8 months	8.4-14 lbs
10 months	8.9-14.8 lbs
12 months	9-15 lbs

Typical range for a healthy puppy. Individual dogs can sit above or below it.

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Jack Russell Terrier - Frequently Asked Questions

How big is a Jack Russell Terrier? +

The Jack Russell Terrier is a small breed, standing 10-12 in tall and weighing 9-15 lbs.

How much does a Jack Russell Terrier weigh at 6 months? +

A Jack Russell Terrier usually weighs 7.7-12.9 lbs at 6 months and reaches 9-15 lbs once fully grown, at around 11 months.

How long do Jack Russell Terriers live? +

The average lifespan of a Jack Russell Terrier is 12-14 yrs.

How much does a Jack Russell Terrier cost? +

Expect to pay $500-$1,500 for a Jack Russell Terrier puppy, plus around $800-$1,400 per year for food, vet care, grooming, and supplies.

Is a Jack Russell Terrier hypoallergenic? +

No, the Jack Russell Terrier is not considered hypoallergenic and may trigger symptoms in people with dog allergies.

Is a Jack Russell Terrier good with kids? +

The Jack Russell Terrier can do well with older children, but supervision and early socialization are recommended around younger kids.

Is a Jack Russell Terrier good for apartments? +

A Jack Russell Terrier can live in an apartment if given enough daily exercise, but a home with a yard is ideal.

Is a Jack Russell Terrier easy to train? +

Yes - the Jack Russell Terrier is highly trainable, eager to please, and picks up commands quickly. Good choice for first-time owners.

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