Newfoundland

Dog · Giant Breed

Newfoundland

Age Calculator

The Newfoundland is a giant working dog originally bred for water rescue and heavy hauling, known for its calm nature, strength, and devotion to its family. Despite its imposing size, this breed is typically gentle, patient, and especially good with children when properly trained and socialized.

910yrs lifespan4570kggiant

The Calculator

How old is your Newfoundland in human years?

At 1 year old

20human yrs

Your Newfoundland is approximately 20 in human years.

ShareOn XOn Facebook

Field Notes

About the Newfoundland

The Newfoundland developed in Newfoundland, Canada, where it worked alongside fishermen hauling nets, pulling carts, and rescuing people from cold water. Its history as a powerful water dog is reflected in its large build, webbed feet, and thick, water-resistant coat.

Temperament is one of the breed’s most admired qualities. Newfoundlands are usually sweet, steady, and affectionate, and they often form very close bonds with their families. Early socialization and consistent training are important because their enormous size can make even friendly jumping or pulling difficult to manage.

Care for a Newfoundland requires commitment, especially because giant breeds need room, structure, and close attention to body condition. They do best with high-quality nutrition, regular veterinary care, joint support through weight management, and a cool environment since they can overheat easily. Owners should also be prepared for heavy shedding and drooling.

Exercise needs are moderate rather than extreme. Most Newfoundlands do well with daily walks, controlled play, and opportunities for swimming if available, but they should not be overexercised when young because their joints are still developing. In adulthood, regular low-impact activity helps maintain muscle tone and supports long-term joint health.

Temperament

01
sweetpatientdevoted

Exercise Needs

02

moderate

Health Watch

03
  • Hip dysplasia
  • Elbow dysplasia
  • Subaortic stenosis (a heart condition)
  • Cystinuria
  • Gastric dilatation-volvulus (bloat)

Grooming

04

Newfoundlands need frequent thorough brushing several times a week, regular ear and paw care, and more intensive coat maintenance during heavy shedding seasons.

Growth Curve

Newfoundland weight chart

Typical weight progression from young to adult. The tinted band marks the healthy adult range — 4570 kg.

0.019.338.557.877.0123469121824MONTHSKG
Growth curve
Healthy adult range · 4570 kg

Nutrition, Staged

Newfoundland Feeding Guide

Stage-based portions tuned to breed energy requirements. Use as a starting point — your veterinarian tailors the final numbers.

Formative years

Young

01

Follow breed-specific puppy feeding guidelines

Peak years

Adult

02

Follow breed-specific adult feeding guidelines

Mature years

Senior

03

Follow breed-specific senior feeding guidelines

Feeding amounts are general references. Consult your veterinarian for individualized recommendations based on body condition and activity level.

Questions, Answered

On the Newfoundland

Adjacent Breeds

Similar to Newfoundland