When Do Schnauzers Stop Growing? Age & Growth Chart

When do schnauzers stop growing? A schnauzer will typically stop growing or will reach its full-size potential in approximately 12-18 months. This means that they would have reached their full height and be at the typical weight when they reach this age. After this age, their body weight can still fluctuate but they will not get any taller.

The giant, miniature, and standard schnauzers are all different due to their sizes and character traits, and as such will vary in their growth. Each size breed of Schnauzer will stop growing at different ages.

In this blog post, we have put together a chart that pairs age with the typical weight of each Schnauzer size that shows you a healthy weight at each age interval. We have also answered some common questions base on the age and weight of Schnauzers. 

When Do Schnauzers Stop Growing

What are the different sizes of schnauzers?

There are three different sizes when it comes to Schnauzers. They are the miniature, the standard, and the giant. Each of these Schnauzers has different height, weight, and growth rates that make each unique.

Apart from the size differences of Schnauzers, some extra traits and characteristics distinguish each kind as a male or a female breed.

Miniature Schnauzers

Miniature Schnauzers commonly stand at about 13-14 inches; their coats can be a selection of colors from Salt and Pepper, Black with some silver markings, or the rare color of white.

The Miniature Schnauzer is quite clever, lively, and attentive but will have a stubborn streak. They can be quite dependable to their family, and in addition to being good with kids and other household pets, will announce any strangers that come within their sight with loud barking.

Standard Schnauzers 

The standard Schnauzer stands at approximately 17 to 19.5 inches, and their coats are rather wiry and curly, very rugged searching. Their colorings are much like that of the Miniature Schnauzer of either full black or Salt and Pepper.

They are pretty tricky canines and eager to examine new things. Standard Schnauzer has a good temperament but does have a cussed streak too. They’re well-mannered with children and other pets; however, they’re wary around strangers.

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Giant Schnauzers 

Giant Schnauzer stands at 23.5 to 27.5 inches and has a Salt and Pepper colored coat with a darkish face. They are always alert and make top-notch watch puppies.

They bond strongly with family members and in no way like to stray too far from home. So if you’re looking for a Schnauzer for a puppy, it is best to study their variations and evaluate which one to select based on your lifestyle.

All are amazing as pets, and the toughest element is deciding on which one.

when do schnauzers stop growing

When Do Schnauzers Stop Growing?

As with most dogs, schnauzers will most likely reach their full-grown height at or around the 12-month mark as long as they have had the proper care. Even though they are fully grown in height, it is fairly common for them to continue to put on a little more weight.

How big does a miniature schnauzer get?

It is significant to know that male and female miniature schnauzers grow to almost the same body weight and size. They attain maturity at 12 months, and they will decently weigh about 13 to 19 pounds and have grown to 12 to 14 inches in height.

Every dog has their personality traits, and it is not a problem if your Schnauzer’s growth is not as exactly as what you’ll see in a growth chart, it’s simply a guide. 

When Do Miniature Schnauzers Stop Growing?

Miniature schnauzers may be the smallest of the schnauzer breeds but they are not small in personality. Miniature schnauzers will reach their adult weight and height within the first 12 months.

Miniature Schnauzer Weight Chart By Age

Typical Miniature Schnauzer growth chart:

AgeFemale WeightMale Weight
3 months5.3 lbs – 7.9 lbs5.3 lbs – 8.7 lbs
4 months7 lbs – 10.4 lbs7 lbs – 11.8 lbs
5 months8.6 lbs – 12.7 lbs8.5 lbs – 13.9 lbs
6 months9.5 lbs – 14.1 lbs9.5 lbs – 15.7 lbs
7 months10.3 lbs – 15.5 lbs10.5 lbs – 17.2 lbs
8 months10.8 lbs – 16.4 lbs10.8 lbs – 18.1 lbs
9 months11.2 lbs – 17.1 lbs11.2 lbs – 18.9 lbs
10 months11.6 lbs – 17.5 lbs11.5 lbs – 19.5 lbs
11 months11.6 lbs – 17.9 lbs11.5 lbs – 19.9 lbs
12 months11.9 lbs – 18.1lbs11.9 lbs – 20.1 lbs

Miniature Schnauzer Growth Per Week:

Age (Months)Growth per week (Pounds)Growth per week (Kg)
3 Months0.570.26
4 Months0.450.21
5 Months0.360.16
6 Months0.270.12
7 Months0.200.09
8 Months0.140.07

How big does a standard schnauzer get?

A standard schnauzer is a great working dog with a dynamic physique. Males and female standard schnauzers are slightly different in physique though not easily noticeable as you would see in other breeds. It’s not unusual to sometimes see a female standard schnauzer, slightly bigger than the males.

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An average male weighs about 35 to 50 pounds and stands between 18.5 to 19.5 inches. The females can weigh slightly between 28 to 45 pounds and stand at 17.5 to 18.5 inches in height.

The males stand a bit taller than the females, and the difference in their heights is negligible to use in differentiating their genders based only on their height.

when do schnauzers stop growing

When Do Standard Schnauzers Stop Growing?

Your standard schnauzer will reach their adult height and weight within the first 12 months or so. This is true for most standard schnauzers if they are well cared for.

Standard Schnauzer Weight Chart By Age

Typical Standard Schnauzer growth chart:


AgeAverage WeightTypical Weight Range
15 Weeks18 LBS15 LBS – 21 LBS
20 Weeks24 LBS20 LBS – 28 LBS
25 Weeks28 LBS24 LBS – 33 LBS
30 Weeks31 LBS26 LBS – 36 LBS
35 Weeks33 LBS28 LBS – 39 LBS
40 Weeks35 LBS29 LBS – 41 LBS
45 Weeks36 LBS29 LBS – 42 LBS
60 Weeks37 LBS30 LBS – 43 LBS


AgeAverage WeightTypical Weight Range
15 Weeks18 LBS15 LBS – 21 LBS
20 Weeks24 LBS20 LBS – 28 LBS
25 Weeks28 LBS24 LBS – 33 LBS
30 Weeks31 LBS26 LBS – 36 LBS
35 Weeks33 LBS28 LBS – 39 LBS
40 Weeks35 LBS29 LBS – 41 LBS
45 Weeks36 LBS29 LBS – 42 LBS
60 Weeks37 LBS30 LBS – 43 LBS

Standard Schnauzer Growth per week:

Age (Months)Growth per week (Pounds)Growth per week (Kg)
3 Months1.340.61
4 Months1.080.49
5 Months0.860.39
6 Months0.670.30
7 Months0.510.23
8 Months0.380.17

How big does a giant schnauzer get?

The biggest schnauzer breed is the giant Schnauzer; they resemble a standard schnauzer, only bigger. They have an imposing look when standing alongside their other variations; the miniature and standard schnauzers.

A well-bred giant schnauzer grows up to a height of 27.5 inches from the shoulders down and weighs about 95 pounds. A female giant schnauzer grows to heights between 23 and 25 inches and weighs 65 to 95 pounds.

when do schnauzers stop growing

When Do Giant Schnauzers Stop Growing

The largest of the schnauzers are no different from the other size schnauzers in that they will achieve almost their entire size within the first 12 months.

Giant Schnauzer Weight Chart by Age

Typical Giant Schnauzer growth chart:

AgeAverage WeightTypical Weight Range
15 Weeks36 LBS26 LBS – 46 LBS
20 Weeks47 LBS34 LBS – 59 LBS
25 Weeks56 LBS40 LBS – 71 LBS
30 Weeks63 LBS45 LBS – 80 LBS
35 Weeks68 LBS48 LBS – 88 LBS
40 Weeks72 LBS51 LBS – 93 LBS
45 Weeks75 LBS52 LBS – 98 LBS
60 Weeks80 LBS55 LBS – 105 LBS

Giant Schnauzer Growth Per Week:

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Age (Months)Growth per week (Pounds)Growth per week (Kg)
3 Months2.401.09
4 Months2.020.91
5 Months1.670.76
6 Months1.370.62
7 Months1.110.50
8 Months0.890.40

Are mini schnauzers fully grown at six months?

Miniature schnauzers are not full-grown at six months. It’s at this period of their life that their adult teeth begin to set; you might want to buy the dogs some chew toys to help them in this teeth sharpening stage.

They pass through drastic hormonal changes and attain maturity at 12 months old, about two months later than the average age of most dog breeds. The transition from puppy to adult meals is usually at this period.

A female miniature schnauzer who has attained full sexual maturity will experience their heat period twice a year, lasting about 2 to 3 weeks. The male is sexually active all through the year.

How long do miniature schnauzers grow?

Between zero to eight weeks, miniature schnauzer puppies rely heavily and solely on milk. When they’re between 7 to 8 weeks you can start to give them regular puppy food which will provide more nutrients to their growing bodies.

Miniature schnauzers reach maturity when they are between 10 to 12 months. At this stage, a well-bred miniature schnauzer will weigh between 12 to 20 pounds, with their life expectancy around 12 to 14 years. 

when do schnauzers stop growing

Frequently Asked Questions (FAQs)

Here are some of the most asked questions:

Are Mini Schnauzers Full-Grown at 6 Months?

Your miniature schnauzer will be about 85% of what its full grown weight would be at just 6 months old. After that, your pup will continue to fill out a little more by gaining a few more pounds and might get slightly taller but overall, you should have a good idea of how big your puppy will grow to.

At what age do miniature schnauzers calm down?

Miniature schnauzers calm down when they reach maturity. The maturity age for miniature schnauzers is when they get to 12 months. At this period of their life, they relax more and stop being jumpy all over the place as they would have been doing before that time. 

No one can stand a dog that never stops being jumpy and hyper. The good thing is, that miniature schnauzers outgrow this stage when they reach adulthood. The ideal age when miniature schnauzers calm down is 12 months.

If your Miniature Schnauzer does not calm down after crossing 12 months of age, take the dog out on regular exercise.

In Conclusion

To recap, your schnauzer will typically reach its full size height and weight withing the first 12-18 months of their life with the proper care. After this age, your pup will only get a little heavier but shouldn’t get any taller.

It is important to keep this in mind when deciding whether or not you want to add a schnauzer to your family. If you are prepared for this, then owning a schnauzer can be an incredibly rewarding experience. Schnauzers make excellent pets and they are known for being loyal and friendly companions.

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