How much pressure can a 140 pound human exert with its teeth?

An average adult human can usually bite down with a maximum force of 200 to 250 pounds per square inch (14 to 17 megapascals). However, some people can exert much more pressure. The pressure a person can generate depends on a number of factors, including the strength of their jaw muscles and the size and shape of their teeth.

The strongest bite ever recorded was 1,224 pounds per square inch (84.6 megapascals), set by a man named John Holcroft in 2009. This is equivalent to the weight of a small car resting on a single human tooth.

For comparison, the bite force of a lion is about 650 pounds per square inch (45 megapascals), and that of a great white shark is about 4,000 pounds per square inch (275 megapascals).