Miniature Schnauzer Size & Weight Chart: How Big Do They Get?

Breed guide · By Hollis Barrow · Published September 17, 2026 · Updated September 30, 2026

Written for general planning, not medical advice — no one at Argos Paws is a veterinarian. If something is wrong with your dog right now, call your vet or the nearest emergency clinic.

Quick answer: A full-grown Miniature Schnauzer typically weighs 10-18 lb (4.5-8.2 kg) and stands 12-14 in (30-36 cm) tall at the shoulder. Most reach their adult size by around 10-12 months.

A Miniature Schnauzer

Photo: Canarian · CC BY-SA 3.0 · via Wikimedia Commons

The Miniature Schnauzer is a sturdy, alert terrier-type breed recognized by its bushy eyebrows and beard. Bred originally as a farm ratter, they are intelligent, low-shedding, and adapt well to apartment life.

Size categorySmall
Typical adult weight10-18 lb (4.5-8.2 kg)
Height at the shoulder12-14 in (30-36 cm)
Full grown by10-12 months
Life expectancy12-15 years

Miniature Schnauzer weight chart by age (lb & kg)

Estimated weights for an average Miniature Schnauzer puppy, based on the typical growth curve for a small breed. Males usually track toward the top of each figure, females toward the bottom.

AgeWeight (lb)Weight (kg)
2 months~5 lb~2.3 kg
3 months~8 lb~3.6 kg
4 months~10 lb~4.5 kg
5 months~11 lb~5 kg
6 months~13 lb~5.9 kg
10-12 months (full grown)10-18 lb4.5-8.2 kg

When does a Miniature Schnauzer stop growing?

As a small breed, Miniature Schnauzers typically reach adult weight by around 10-12 months. Smaller breeds like the Miniature Schnauzer reach full height and fill out fairly close together, so growth tends to look "done" all at once.

Use the Puppy Weight Predictor below — it's pre-loaded with the Miniature Schnauzer's growth curve, so just enter your puppy's current weight and age.

Tool

Predict your Miniature Schnauzer's adult weight

Enter your puppy's current weight and age to get an estimate based on this breed's typical growth curve.

Open the Puppy Weight Predictor

How much does it cost to feed a Miniature Schnauzer?

A typical adult Miniature Schnauzer (14 lb, average activity) needs roughly 448 kcal/day — about 0.3 lb (1.1 cups) of dry kibble per day, which works out to around $16/month at typical kibble prices. Fresh or subscription-style food usually costs more, around $179/month for the same dog. These are population-level estimates — use the calculator below for a number based on your dog's actual weight and food type, or see the Miniature Schnauzer feeding chart for puppy amounts by month.

Tool

Estimate Miniature Schnauzer food costs

Pre-filled with this breed's typical adult weight — adjust activity level and food type to get your monthly estimate.

Open the Dog Food Cost Calculator
Shop

Browse dog food sized for a Miniature Schnauzer

Compare dry, wet, and breed-specific formulas — filter by your dog's size and life stage to narrow it down.

Browse dog food on Amazon(affiliate link)

How old is my Miniature Schnauzer in human years?

The old "×7" rule doesn't hold up — small breeds like the Miniature Schnauzer age at their own rate, not a generic one. Use the calculator below, pre-set to this breed's size.

Tool

Convert your Miniature Schnauzer's age

Pre-filled with this breed's size category for a more accurate human-year estimate than a flat multiplier.

Open the Miniature Schnauzer Age Calculator

Common health considerations

  • Pancreatitis and elevated blood lipid levels occur more often in this breed, often linked to diet.
  • Bladder stones are relatively common; ask your vet about urinary-supportive diets.
  • Progressive retinal atrophy and cataracts are documented eye conditions in the breed.

This is general breed-level information, not a diagnosis or a prediction for any individual dog. Talk to your vet about health screening and preventive care specific to your dog.

Tool

Is pet insurance worth it for a Miniature Schnauzer?

See a typical monthly premium for this breed and whether it would likely pay off against a major vet bill.

Miniature Schnauzer insurance cost

Similar breeds

Based on energy level, living-space fit, and care needs, these breeds are closest to the Miniature Schnauzer:

Not sold on a match yet?

Take our breed match quiz

Answer a few quick questions about your lifestyle and living space to see which breeds — not just the Miniature Schnauzer — actually fit best.

Take the Breed Match Quiz

Frequently asked questions

How much does a full-grown Miniature Schnauzer weigh?

A full-grown Miniature Schnauzer typically weighs 10-18 lb (4.5-8.2 kg), making it a small breed. Individual dogs vary within that range depending on sex, genetics, and body condition — use the Puppy Weight Predictor above for an estimate based on your specific puppy's current weight and age.

How tall is a full-grown Miniature Schnauzer?

A full-grown Miniature Schnauzer stands 12-14 in (30-36 cm) tall, measured at the shoulder (withers).

When does a Miniature Schnauzer stop growing?

As a small breed, Miniature Schnauzers typically reach adult weight by around 10-12 months. Height typically levels off a bit before this; smaller breeds like this one fill out relatively quickly once they reach height.

Is a Miniature Schnauzer a good first dog?

Generally yes. The Miniature Schnauzer is forgiving enough for most first-time owners, as long as you're realistic about its exercise and care needs going in rather than assuming any dog is "easy."

How much exercise does a Miniature Schnauzer need?

A moderate, manageable amount — roughly 30-45 minutes a day covers most Miniature Schnauzers, split across a couple of walks or a walk plus playtime.

Is a Miniature Schnauzer good with kids?

Generally good with kids, especially with basic training and normal socialization. As with any breed, supervise younger children and teach them how to approach and handle the dog.

How much grooming does a Miniature Schnauzer need?

Fairly involved. Regular brushing (several times a week) and periodic trims or professional grooming will keep a Miniature Schnauzer looking and feeling its best.

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