There are currently no world records pertaining to the power of a punch (only one record exists for speed of a left jab). Every alleged scientific study reported on the internet has used flawed methods of measurement not acceptable to genuine scientific standards, and the number of individuals measured is not large enough to qualify as a thorough study. Most (if not all) quoted statistics have no verifiable sources cited to substantiate the claim.
The closest thing to an accurate listing I could find was at the website "The Straight Dope" a site that claims to have been fighting ignorance since 1973 (they admit it's taking longer than they thought it would
First we need to clear up the difference between force and pressure. Force is what causes something to accelerate, e.g., a fighter’s head in the direction of a thrown punch. In the U.S. force is normally measured in pounds. Pressure is force per unit of contact area, commonly expressed in pounds per square inch (psi). When researchers study punching ability they usually focus on force rather than pressure, since the pressure varies as the contact area expands on impact.
With that in mind, let’s look at the research:
A study of seven Olympic boxers in weight classes ranging from flyweight to super heavyweight showed a range of 447 to 1,066 pounds of peak punching force. Energy transferred from punch to target varied widely depending on how heavy the boxers’ hands and gloves were, how fast they punched, and how rigidly they held their wrists. The three flyweights, interestingly, delivered more oomph than all but the two super heavyweights.
A study of 70 boxers found elite-level fighters could punch with an average of 776 pounds of force. Another study of 23 boxers showed elite fighters were able to punch more than twice as hard as novices, the hardest hitter generating almost 1,300 pounds of force.
An oft-cited 1985 study of Frank Bruno, who'd go on to be WBC heavyweight champ, showed he could punch with a force of 920 pounds in the lab. Researchers extrapolated that to a real-life blow of 1,420 pounds, enough to accelerate his opponent’s head at a rate of 53 g ― that is, 53 times the force of gravity.
Martial arts punches generally involve much less force than those in boxing. A study of 12 karate black belts showed so-called reverse punches delivered an average force of 325 pounds, with the strongest measuring 412 pounds. Short-range power punches averaged 178 pounds. Another study found martial artists needed 687 pounds of force to break a concrete slab 1.5 inches thick. One early researcher estimated karate strikes could reach 1,500 pounds, but that figure was an outlier.
If a punch thrown by Rocky IV villain Ivan Drago is supposed to measure 2,150 psi and his glove’s impact area is something like four square inches, he’d be exerting a force of 8,600 pounds, or more than four tons. Based on the professional literature, no boxer in real life comes anywhere close to that. I did find a 2007 news account about WBO cruiserweight champion Enzo Maccarinelli, whose punches supposedly packed a wallop of around 3.85 tons. However, the researchers making this claim have yet to publish their findings in a scientific journal, and I’m not taking them seriously until they do.
Cain Velasquez ( MMA heavyweight ) punches 2200 pounds= 1000 kg
Ivan Drago in Rocky 4 :)
all i can tell you is mike tyson had the hardest recorded punch of any heavyweight....
Google it
prescott v egg thrower
And what can that force be compared to
