The Laws of the Game

Qualities: Must be spherical, made of suitable material, and of a specific size and weight.
Measurements: Circumference between 68-70 cm, weight between 410-450 g at the start of the match.
Replacement: If the ball becomes defective, play is stopped and restarted with a dropped ball. The defective ball cannot be changed during play without the referee's authority.

An Interactive Guide to the Official Rules of Association Football

Explore the 17 Laws

Click on any law to view its detailed rules and interpretations.

Content based on the official Laws of the Game by IFAB. This is an educational, non-official resource.