Bullmastiff withers height chart
See the withers height of the Bullmastiff by age and compare the growth references. If you are wondering what adult height a female or male Bullmastiff reaches, this page gives you concrete milestones.
Growth of the female Bullmastiff
Depending on its build, a female Bullmastiff should measure between 22 and 23.8 cm at 3 months.
At 6 months, a female Bullmastiff measures on average between 36.6 cm for the smallest individuals and 39.6 cm for the largest.
How tall should a female Bullmastiff be at 1 year? Between 54.9 and 59.4 cm.
A female Bullmastiff finishes growing at 15 months .
Growth of the male Bullmastiff
Depending on its build, a male Bullmastiff should measure between 23 and 23.5 cm at 3 months.
At 6 months, a male Bullmastiff measures on average between 38.4 cm for the smallest individuals and 39.3 cm for the largest.
How tall should a male Bullmastiff be at 1 year? Between 57.6 and 60.7 cm.
A male Bullmastiff finishes growing at 15 months or so, up to 18 months for the largest builds.
How to measure a Bullmastiff 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 Bullmastiff to compare how height and weight change during growth.
Bullmastiff height FAQ
What adult height for a female Bullmastiff?
An adult female Bullmastiff usually measures between 61 and 66 cm.
What adult height for a male Bullmastiff?
An adult male Bullmastiff usually measures between 64 and 69 cm.
What is the Bullmastiff height curve during growth?
The Bullmastiff height curve gives milestones at 3, 6 and 12 months, with separate references for females and males.