12 at a high professional level
There are 10 rounds in a championship boxing match... However there has been as many as 110 rounds in years past...
10 rounds
There are four rounds that last two minutes each in an Olympic boxing match.
3
Currently an Olympic boxing match consists of four rounds and each round lasts for two minutes. In the past, boxing matches were made up of 3 rounds each of which lasted for three minutes.
3 minutes a round over 12 rounds with one minute rest.
12 times
There are 10 rounds in a championship boxing match... However there has been as many as 110 rounds in years past...
I may be wrong, but I think there was no limit on the number or rounds in bare knuckle boxing, so that a match would likely end with a knockout. Boxing gloves and round limits were among several additions intended to make boxing more humane.
A heavyweight boxing match takes 12 rounds of 3 minutes each. This is however overlooked if one boxer falls down and stays down for more than 30 seconds.
There are 11 rounds in chess boxing, six rounds of chess and five rounds of boxing. Each round of chess lasts four minutes and each round of boxing lasts three minutes.