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.

Saint Bernard typically larger
Newfoundland

Newfoundland

large · energy 3/5

100-150 lbs

Weight mid ~125 lbs

26-28 inches

Height mid ~27.0 in

Breed profile
Saint Bernard

Saint Bernard

large · energy 2/5

120-180 lbs

Weight mid ~150 lbs

26-30 inches

Height mid ~28.0 in

Breed profile

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

  1. How to Choose the Right Dog BreedAmerican Kennel Club (AKC)
  2. How Long Will Your Dog Live? Size MattersAmerican Kennel Club (AKC)
  3. General Dog CareASPCA