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NFL Rules and Formats Explained

How the NFL actually works: overtime and playoff rules, why a 60-minute game lasts three hours, scoring plays and the basics of fantasy football.

5 articles

The NFL looks simple on TV, but a lot of its rules only show up in big moments: a tied game at the end of regulation, a playoff race in the final week, or a strange two-point play near the goal line. This section explains those rules in the order fans usually run into them.

Game length and overtime

An NFL game has 60 minutes of clock, split into four 15-minute quarters, yet a broadcast lasts about three hours. How long is a football game explains where that time goes and how the college game differs. If the score is still level, NFL overtime rules covers the 10-minute regular-season period that can end in a tie, the 15-minute playoff periods that continue until there is a winner, and the rule that gives both teams a possession.

Playoffs and scoring

Fourteen teams reach the postseason, seven from each conference, and only the No. 1 seeds skip the first round. How many teams make the NFL playoffs walks through seeding, reseeding and tiebreakers. For the rarest way to score, read what a safety is: two points for the defense, then a free kick from the scored-upon team's own 20.

Fantasy football

Millions of fans follow the league through fantasy teams. How fantasy football works covers leagues, snake and auction drafts, PPR scoring, waivers and trades.

New to the sport altogether? Start with American football for beginners.