Size matchup
Newfoundland vs Saint Bernard: size & weight
Typical weight (100-150 lbs vs 120-180 lbs) and height (26-28 inches vs 26-30 inches)—so you can tell who’s bigger on the metrics that matter.

Newfoundland
large · energy 3/5
100-150 lbs
Weight mid ~125 lbs
26-28 inches
Height mid ~27.0 in

Saint Bernard
large · energy 2/5
120-180 lbs
Weight mid ~150 lbs
26-30 inches
Height mid ~28.0 in
Massive companion giants with overlapping weight ceilings; plan for food, car space, and joint-friendly flooring.
Typical weight
- Newfoundland: 100-150 lbs (mid ~125 lbs)
- Saint Bernard: 120-180 lbs (mid ~150 lbs)
Saint Bernard usually tips the scale higher.
Typical height (withers)
- Newfoundland: 26-28 inches (mid ~27.0 in)
- Saint Bernard: 26-30 inches (mid ~28.0 in)
Saint Bernard is typically taller at the shoulder.
Size class & fit
Newfoundland
large · lifespan 9-10 years
Gentle, Sweet, Patient
Saint Bernard
large · lifespan 8-10 years
Gentle, Friendly, Patient
Size drives food bills, car space, crate size, and how hard a jump lands on kids and seniors. Pair this page with lifestyle compare when temperament matters as much as inches.
Planning verdict
Lean Newfoundland
Lean Newfoundland if you want a large dog around 100-150 lbs and 26-28 inches, with energy 3/5.
Lean Saint Bernard
Lean Saint Bernard if you prefer large size near 120-180 lbs and 26-30 inches, with energy 2/5.
FAQs
- Which is bigger, a Newfoundland or a Saint Bernard?
- By typical weight/height midpoints, the Saint Bernard tends to be larger overall. Newfoundland typically weighs about 100-150 lbs (mid ~125 lbs) versus Saint Bernard at 120-180 lbs (mid ~150 lbs). Height at the shoulder is commonly listed around 26-28 inches vs 26-30 inches. Both are classified as large dogs in our data. On typical midpoints, Saint Bernard tends to be the larger dog.
- Which is taller, Newfoundland or Saint Bernard?
- Saint Bernard is typically taller at the withers (26-28 inches vs 26-30 inches).
- Which weighs more, Newfoundland or Saint Bernard?
- Saint Bernard usually weighs more (100-150 lbs vs 120-180 lbs).
- Are Newfoundland and Saint Bernard the same size class?
- Yes—both are large in our breed data. Individuals still vary by sex and bloodline.
- Do males and females change the size comparison?
- Often yes. Males are commonly at the high end of weight/height ranges and females at the low end. Always check the actual dog (or parents) rather than breed averages alone.
Related size matchups
References
- How to Choose the Right Dog Breed — American Kennel Club (AKC)
- How Long Will Your Dog Live? Size Matters — American Kennel Club (AKC)
- General Dog Care — ASPCA