When Do Newfoundlands Stop Growing?

Pet Care

petvblog

August 22, 2022
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Newfoundlands are adorable, fluffy dogs. They can look like pudgy breeds, but they mostly look that way because of their fur. It can fluff up easily, allowing them to achieve a more “round” look than some other breeds.

It is important to know how long they will be growing. Each breed develops at its own pace and that is no different for Newfoundlands. So, if you are wondering when your Newfoundland pup will stop growing, here is what you need to know.

Basic Growth and Weight Chart

When asking when do Newfoundlands stop growing, it is important to note that any chart you find is just a baseline. Each dog is different; some may be on the lower side, others on the upper side. When in doubt, consult your vet to find out whether or not your feeding schedule is working for your dog’s needs.

That said, weight is different for both males and females, though their heights should remain around the same range. Let’s start with when they are puppies, starting from one month old and ranging to one year old.

At a month old, they will range from 7-12 pounds, roughly 10-12 inches in height. They will see an exponential jump, particularly in weight. Though they will add anywhere from 2-3 inches to their height, they will double their weight or more. Males can be anywhere from 17-27 pounds while females will be in the 15- to 22-pound range.

The exponential growth continues from month two to three. Males can be as large as 54 pounds, females 46 pounds, and their height will be in the 19- to 21-inch range. The growth continues, though it isn’t as pronounced going forward.

By five months old, males can weigh between 63 and 75 pounds while females weigh 54-67 pounds. By seven months old, males can begin hitting the 100-pound mark while females will top out at about 75 pounds. We begin to see a major disparity in weight between males and females at this point.

By the one-year mark, Newfoundland males will range from 114-130 pounds. The females, however, will range from 92-110 pounds. Both will be anywhere between 24 and 27 inches in height. This is close to their limit on weight and height, but it isn’t totally done.

The real answer to, “when do Newfoundlands stop growing” is at the end of year two. Between their first and second years, males will top out in the 130- to 150-pound range while females will be in the 100- to 120-pound range. They will also top out between 26 and 28 inches. Just keep in mind that these are baselines and not set in stone.

How Much Bigger Can a Newfoundland Get?

If you have a Newfoundland puppy, you may be wondering just how much bigger they will get. There are a few factors to consider when determining just how much bigger they will get: age, paws, and their genetics.

Age

For puppies that are under a year old, there is a lot of growing left to do. Should they be in the one- to two-year range, you may start to see them filling out in their chest. By the time they reach two, they should be at their peak in terms of adult size.

Paws

Another determining factor is the size of their paws. Take a look at their paws compared to the rest of their body. If they have oversized paws, especially when compared to their legs, then that is a good indication that they are still growing. Most puppies tend to have larger paws as they begin to fill out; Newfoundlands are no different in this respect.

Genetics

The final thing that you need to keep in mind is their genetics. If you got your Newfoundland from a breeder, then it would be helpful to reach out to them to get the most precise estimate as to how big they are going to be. They can base this not only on your pup’s parents, but past litters as well. The breeder should be able to give you one of the most accurate estimates of just how big your Newfoundland pup will grow up to be.

Overweight

Lastly, consider their weight as they grow. The range is a good indicator as to whether or not you are overfeeding your dog. If they are on the pudgy side, consider bringing their feeding portions down just a little bit going forward.

Conclusion

Though each Newfoundland is different, they have a general chart that you can follow to track their height and weight. For the most part, your Newfoundland should top out at the 100- to 120-pound range, at 26-28 inches in height, by the time they turn two.

Keep an eye on your Newfoundland as they grow and develop. There may be slight differences here and there, but they should be within a particular range (for males and females separately). If your pup is under or overweight, it may be time to change up their feeding habits. You can also talk to your vet to see if there are any other changes that they are experiencing.

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