German Mastiff withers height chart
See the withers height of the German Mastiff by age and compare the growth references. If you are wondering what adult height a female or male German Mastiff reaches, this page gives you concrete milestones.
Growth of the female German Mastiff
Depending on its build, a female German Mastiff should measure between 9.5 and 10.1 in at 3 months.
At 6 months, a female German Mastiff measures on average between 15.9 in for the smallest individuals and 17.3 in for the largest.
How tall should a female German Mastiff be at 1 year? Between 24.6 and 27.1 in.
A female German Mastiff finishes growing at 18 months or so, up to 24 months for the largest builds.
Growth of the male German Mastiff
Depending on its build, a male German Mastiff should measure between 10.2 and 11.3 in at 3 months.
At 6 months, a male German Mastiff measures on average between 17 in for the smallest individuals and 19.5 in for the largest.
How tall should a male German Mastiff be at 1 year? Between 26.3 and 30.5 in.
A male German Mastiff finishes growing at 18 months or so, up to 24 months for the largest builds.
How to measure a German 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 German Mastiff to compare how height and weight change during growth.
German Mastiff height FAQ
What adult height for a female German Mastiff?
An adult female German Mastiff usually measures between 27.95 and 31.5 in.
What adult height for a male German Mastiff?
An adult male German Mastiff usually measures between 29.92 and 35.43 in.
What is the German Mastiff height curve during growth?
The German Mastiff height curve gives milestones at 3, 6 and 12 months, with separate references for females and males.