Surprisingly the dog that has the weakest bite is the Pit Bull.
Although most Pit Bulls are dangerous and can cause serious injury or death to someone the Pit Bull only has a bite force of 235 pounds per square inch which is 235 PSI.
The dog with the strongest bite force is the Kangal dog breed with a bite force of 743 PSI.
Other dogs with a strong bite force are.
Cane Corso with a bite force of 700 PSI.
Dogue de Bordeaux with a bite force of 556 PSI.
American Bulldog with a bite force of 305 PSI.
Doberman with a bite force of 245 PSI.
German Shepherd Dog with a bite force of 238 PSI.
American Pitbull with a bite force of 235 PSI.
Chow Chow with a bite force of 220 PSI.