Do Bull Terriers bite? Expert Advice

How Strong Are the Jaws of a Bull Terrier?

The strength of a Bull Terrier’s jaw can be measured by its bite force. A Bull Terrier’s bite force is equivalent to 269 PSI (pounds per square inch). A Bull Terrier is one of the top 20 dogs with the strongest bites. They are known to have an egg-shaped head and a unique jaw structure.

Do Bull Terriers bite?

Many organizations consider them to have a powerful jaw that can be a threat. However, research conducted by Dr. I. Lehr Brisbin at the University of Georgia shows that their jaws don’t have locking abilities. This means that they are not as dangerous as people believed them to be.

Does The Strong Bite Force of Bull Terriers Make Them Dangerous?

Bull Terriers have an imposing muscular appearance with massive teeth, and their almond eyes detract from their big-eyed joyful dog appearance. Add in their high biting force, and it’s easy to see why people are concerned.

What’s more terrifying is that the Bull Terriers were trained to be violent gladiators in blood sports, yet appearances may be misleading.

But Bull Terriers are not dangerous at all. They make excellent family dogs because they are devoted toward their family, good with youngsters, and require a lot of quality time with their adoring people. All that is needed is plenty of socialization and obedience training from an early age.

English Mastiff – 552 PSI

Do Bull Terriers bite?

If you are a fan of large dogs, you likely love English Mastiffs. English Mastiffs are huge, but they are often calm and lazy. When needed, these dogs can become powerful and have been used as war dogs in the past. English mastiffs have a bite force of 550 PSI, though they aren’t known to bite often.


As much as we love dogs, some can be dangerous because of their personality and strong bite force. The bite force of a dog is measured in PSI, which stands for pound per square inch. The higher the PSI rating, the more forceful and painful a dog’s bite will be.

However, a strong bite doesn’t correlate to aggression. Some dogs with strong bites are known for their gentle and loving personality.

With that out of the way, let’s look at the top 25 dog breeds with the strongest bite force.