What is the biting pressure of a killer whale?

Small great whites can bite down with a force of 669 p.s.i and 303 kg(psi stands For Per square inch)generally large great whites bite with a force of 4,000 lbs(1.8 Tons). Scans suggest that large females(females of great white shark is generally Larger Than males) in lengths of over 6.1 meters (20 ft) can exert a biteforce over 1.8 tons of Force.
A great white shark can bite almost 20% stronger than a human can.