Mastiff withers height chart
See the withers height of the Mastiff by age and compare the growth references. If you are wondering what adult height a female or male Mastiff reaches, this page gives you concrete milestones.
Growth of the female Mastiff
Depending on its build, a female Mastiff should measure between 9.4 and 10.8 in at 3 months.
At 6 months, a female Mastiff measures on average between 15.7 in for the smallest individuals and 18.7 in for the largest.
How tall should a female Mastiff be at 1 year? Between 24.2 and 29.1 in.
A female Mastiff finishes growing at 18 months or so, up to 24 months for the largest builds.
Growth of the male Mastiff
Depending on its build, a male Mastiff should measure between 10.2 and 11.5 in at 3 months.
At 6 months, a male Mastiff measures on average between 17 in for the smallest individuals and 19.7 in for the largest.
How tall should a male Mastiff be at 1 year? Between 26.3 and 30.8 in.
A male Mastiff finishes growing at 18 months or so, up to 24 months for the largest builds.
How to measure a Mastiff 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 Mastiff to compare how height and weight change during growth.
Mastiff height FAQ
What adult height for a female Mastiff?
An adult female Mastiff usually measures between 27.56 and 33.86 in.
What adult height for a male Mastiff?
An adult male Mastiff usually measures between 29.92 and 35.83 in.
What is the Mastiff height curve during growth?
The Mastiff height curve gives milestones at 3, 6 and 12 months, with separate references for females and males.