French Mastiff withers height chart
See the withers height of the French Mastiff by age and compare the growth references. If you are wondering what adult height a female or male French Mastiff reaches, this page gives you concrete milestones.
Growth of the female French Mastiff
Depending on its build, a female French Mastiff should measure between 20.9 and 23.8 cm at 3 months.
At 6 months, a female French Mastiff measures on average between 34.8 cm for the smallest individuals and 39.6 cm for the largest.
How tall should a female French Mastiff be at 1 year? Between 52.2 and 59.4 cm.
A female French Mastiff finishes growing at 15 months .
Growth of the male French Mastiff
Depending on its build, a male French Mastiff should measure between 21.6 and 23.1 cm at 3 months.
At 6 months, a male French Mastiff measures on average between 36 cm for the smallest individuals and 38.8 cm for the largest.
How tall should a male French Mastiff be at 1 year? Between 54 and 59.8 cm.
A male French Mastiff finishes growing at 15 months or so, up to 18 months for the largest builds.
How to measure a French 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 French Mastiff to compare how height and weight change during growth.
French Mastiff height FAQ
What adult height for a female French Mastiff?
An adult female French Mastiff usually measures between 58 and 66 cm.
What adult height for a male French Mastiff?
An adult male French Mastiff usually measures between 60 and 68 cm.
What is the French Mastiff height curve during growth?
The French Mastiff height curve gives milestones at 3, 6 and 12 months, with separate references for females and males.