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Miniature Schnauzer Full Grown: Size & Weight

A full-grown Miniature Schnauzer weighs about 10–18 lb and stands roughly 12–14 in tall at the shoulder.

Some breeders advertise a "teacup" Miniature Schnauzer, but there's no official teacup standard: it's just below the standard Miniature range, roughly 6 to 9 lb.

Adult Miniature Schnauzer

Have a Miniature Schnauzer puppy? Estimate its adult size

Built on the small growth curve, clamped to the breed's range.

Miniature Schnauzer growth chart

How a small-size dog like the Miniature Schnauzer fills out over its first months. Switch between percent of adult weight and pounds, and enter a weigh-in above to plot your puppy.

0% 25% 50% 75% 100% 0 3 6 9 12 15 18 Age (months)
  • Miniature Schnauzer

Median curves computed from ~89,000 healthy dogs aged 2–24 months in the open Salt et al. 2017 dataset (PLOS ONE, CC BY 4.0), grouped into PuppySize's five size classes.

Age % of adult weight Estimated weight
2 months 30% 3–5 lb
3 months 44.2% 4–8 lb
4 months 59.5% 6–11 lb
5 months 70.5% 7–13 lb
6 months 79.4% 8–14 lb
7 months 86.7% 9–16 lb
8 months 92.1% 9–17 lb
9 months 96.2% 10–17 lb
10 months 98.2% 10–18 lb
11 months 100% 10–18 lb
12 months 100% 10–18 lb

How confident is this estimate? Based on an official breed standard or cross-checked veterinary/registry sources.

About this breed's data: Height 12-14 in from AKC standard (under 12 or over 14 = DQ). Weight 10-18 lb from Hill's (M 11-18 / F 10-15); AKC standard states no weight.

Sources: AKC Official Standard of the Miniature Schnauzer (PDF, height), Hill's Pet (weight), Salt et al. 2017 (PLOS ONE) growth data.

How we calculate this

Miniature Schnauzer questions

How big does a Miniature Schnauzer get?
A full-grown Miniature Schnauzer typically weighs 10–18 lb and stands 12–14 in tall. Use the calculator above with your puppy's current age and weight for a personalized estimate.
When does a Miniature Schnauzer stop growing?
Most Miniature Schnauzers reach their full adult size around 12 months, in line with small-size dogs. They do most of their growing in the first 6 months, then fill out more slowly.
Are these Miniature Schnauzer size estimates accurate?
Based on an official breed standard or cross-checked veterinary/registry sources. Estimates are typically within 10–20% for purebreds; designer and mixed breeds vary more. We always show a range and clamp it to this breed's known adult size.
Is there such a thing as a teacup Miniature Schnauzer?
"Teacup" is a marketing label, not an official size: there's no recognized teacup Miniature Schnauzer standard. In practice it just refers to below the standard Miniature range, roughly 6 to 9 lb, so expect roughly the same adult size as our smallest listed range. Treat "teacup" as breeder marketing, not a guarantee of size or health.

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