
Dog · Giant Breed
Newfoundland
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.
The Calculator
How old is your Newfoundland in human years?
At 1 year old
Your Newfoundland is approximately 20 in human years.
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
Exercise Needs
moderate
Health Watch
- Hip dysplasia
- Elbow dysplasia
- Subaortic stenosis (a heart condition)
- Cystinuria
- Gastric dilatation-volvulus (bloat)
Grooming
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 — 45–70 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
Follow breed-specific puppy feeding guidelines
Peak years
Adult
Follow breed-specific adult feeding guidelines
Mature years
Senior
Follow breed-specific senior feeding guidelines
Questions, Answered
On the Newfoundland
Are Newfoundlands good family dogs? Yes, they are widely known for being gentle, patient, and affectionate with family members, including children. Because they are so large, supervision and training are still important to make sure interactions stay safe and controlled.
Do Newfoundlands need a lot of exercise? They need regular daily exercise, but they are not usually as high-energy as some athletic working breeds. Steady walks, swimming, and moderate play are usually enough, while excessive impact or strenuous exercise should be avoided in growing puppies.
Do Newfoundlands have a lot of grooming needs? Yes, this breed has a dense double coat that sheds heavily and can mat if not brushed consistently. Routine grooming also helps owners monitor the skin, ears, nails, and coat condition, which is especially useful in a large, heavily coated dog.
Are Newfoundlands prone to health problems? Like many giant breeds, they can be predisposed to orthopedic, cardiac, and urinary conditions. Preventive care, responsible breeding, healthy weight control, and regular veterinary screening are important for supporting longevity and quality of life.
Can Newfoundlands live in warm climates? They can, but they are much more comfortable in cooler conditions because of their heavy insulating coat. In warmer weather they need shade, air conditioning, fresh water, and exercise limited to cooler parts of the day to reduce the risk of overheating.
Adjacent Breeds



