Weight Of Mastiff

Black Mastiff

If you’re looking for a big dog, Mastiff breeds are a perfect choice.

These huge dogs are protective, loving, and gentle giants that also weigh a lot.

How much does a mastiff weigh?

On average, female Mastiffs weigh between 120 and 170 pounds.

Weights for males are even higher and average between 160 and 230 pounds. Some have even tipped the scales at more than 300 pounds.

Interesting Facts About Mastiffs:

Originally used as working or fighting dogs, these canines are now more likely to be kept as family pets. This is due, in part, to their friendly personalities.

Yet, there are still many breeds that serve as guard dogs and to help humans with their work.

It’s believed ancestors of the Mastiff originated in Asia as far back as 4500 BC.

The Molossus, which was one of the earliest breeds of Mastiffs, existed in ancient times. They worked for their masters because of their huge size and strength.

Two-tone Mastiff

There are records of these dogs being used by the Roman and Carthaginian armies to help them fight in wars!

Mastiffs have a fawn, apricot, or brindle-colored coat and a black face. With wrinkles on their foreheads, droopy lips, and large paws, it would be tough not to notice these big dogs.

Average Weights Of Various Mastiff Breeds:

  • Bullmastiff – 100 to 130 pounds (45 to 58 kg)
  • American Mastiff – 140 to 200 pounds (63 to 90 kg)
  • Tibetan Mastiff – 70 to 150 pounds (31 to 68 kg)
  • Neapolitan Mastiff – 110 to 150 pounds (49 to 68 kg)
  • English Mastiff – 120 to 230 pounds (54 to 104 kg)
  • French Mastiff – 100 to 140 pounds (45 to 63 kg)
  • Spanish Mastiff – 110 to 200 pounds (49 to 90 kg)
  • Pyrenean Mastiff – 120 to 220 pounds (54 to 100 kg)
  • Abruzzese Mastiff – 90 to 220 pounds (40 to 100 kg)

How Much Does a Mastiff Puppy Weigh?

Mastiff puppies are very small, and they enter the world weighing around 2 to 4 pounds.

Mastiff puppy

Unlike many other large dog breeds, Mastiff puppies can take longer to grow. In most Mastiff breeds, it may take up to 4 years before they reach their full size.

~ Fun Fact ~
An English Mastiff named Zorba holds the current record as the world’s heaviest dog.
According to the Guinness Book Of World Records, Zorba weighed in at an earth-shaking 343 pounds.


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