The average American Football game lasts for 3 hours and 12 minutes. Although the official game clock of a football game is only four quarters at 15 minutes each (60 minutes total), the clock is stopped after any incomplete pass, when a player with the ball steps out of bounds, or when a timeout is called.
How can the length of games differ so much? As mentioned, the average NFL game takes 3 hours and 12 minutes to complete, but this can vary drastically.
American football games consist of four quarters. Each quarter consists of 15 minutes. Between the 1st and 2nd quarters as well as the 3rd and 4th quarters, there is a two minute break. However, between the 2nd and 3rd quarters, there is a halftime of 12 minutes.
Collegiate and professional football games are 1 minute long, divided into four quarters of 15 minutes each. In high school football, 12 minute quarters are usually played. The clock is stopped frequently, however, with the result that a typical college or professional game can exceed three hours in duration.
Football games are divided up into two halves or four quarters. In high school each quarter is 12 minutes long while in the NFL and college each quarter is 15 minutes long. The clock doesn't run all of the time, however. It gets stopped for time outs and between certain plays.
But on the whole, games aren’t significantly longer now than they were a decade ago: from 2001 to 2005, the average game length was 3:07:12, just 41 seconds longer than the average from 2012 ...
An average professional football game lasts 3 hours and 12 minutes, but if you tally up the time when the ball is actually in play, the action amounts to a mere 11 minutes.
It’s Officially 60 Minutes. Football fans know a regulation league game lasts 60 minutes. The game is divided into four 15-minute quarters. At the end of the first and third quarters, there is a three-minute break. A 15-minute break follows the first half.