Jack Russell withers height chart
See the withers height of the Jack Russell by age and compare the growth references. If you are wondering what adult height a female or male Jack Russell reaches, this page gives you concrete milestones.
Growth of the female Jack Russell
Depending on its build, a female Jack Russell should measure between 11.2 and 12.6 cm at 3 months.
At 6 months, a female Jack Russell measures on average between 17.5 cm for the smallest individuals and 20.4 cm for the largest.
How tall should a female Jack Russell be at 1 year? Between 23.8 and 28.2 cm.
A female Jack Russell finishes growing at 10 months or so, up to 12 months for the largest builds.
Growth of the male Jack Russell
Depending on its build, a male Jack Russell should measure between 12.1 and 13 cm at 3 months.
At 6 months, a male Jack Russell measures on average between 18.9 cm for the smallest individuals and 21.1 cm for the largest.
How tall should a male Jack Russell be at 1 year? Between 25.7 and 29.1 cm.
A male Jack Russell finishes growing at 10 months or so, up to 12 months for the largest builds.
How to measure a Jack Russell at the withers
- Stand your dog on level ground with its legs straight.
- Locate the withers : it is the highest point of the shoulders, at the base of the neck.
- Lay a straight object (a book or a rigid ruler) horizontally at the withers.
- Measure vertically from the ground to the underside of that object with a tape measure.
- Repeat two or three times and keep the average value to follow growth.
Going further
See also the weight chart of the Jack Russell to compare how height and weight change during growth.
Jack Russell height FAQ
What adult height for a female Jack Russell?
An adult female Jack Russell usually measures between 25 and 30 cm.
What adult height for a male Jack Russell?
An adult male Jack Russell usually measures between 27 and 31 cm.
What is the Jack Russell height curve during growth?
The Jack Russell height curve gives milestones at 3, 6 and 12 months, with separate references for females and males.