LAW 2 · THE BALL
68–70 cm, 410–450 g
An adult match ball must be spherical, within 68 to 70 cm round, weigh 410 to 450 g at kick-off and be pumped to 0.6–1.1 atmospheres.
Compare ball sizes
THE LAWS OF THE GAME, MEASURED
7.32 M post to post
AI-generated image, not a photograph of a real person or place.
Every pitch, ball and goal starts with a measurement.
Football’s Laws of the Game fix the size and weight of the ball, set limits for the pitch and the goal, and say how long a match lasts. Here are the numbers, in plain English, with the sources linked.
An independent guide, not an official rulebook.
THE SHORT ANSWER
The goal and the ball are tightly defined.
The pitch is allowed to vary a lot.
LAW 2 · THE BALL
An adult match ball must be spherical, within 68 to 70 cm round, weigh 410 to 450 g at kick-off and be pumped to 0.6–1.1 atmospheres.
Compare ball sizesLAW 1 · THE PITCH
A touchline can be anywhere from 90 to 120 m long. International matches use a narrower range of 100 to 110 m.
See the pitch factsLAW 1 · THE GOAL
Every full-size goal is the same: 8 yards wide and 8 feet high, measured from the inside of the posts and the lower edge of the bar.
Why those numbers?
USE THE NUMBERS
The Laws give a pressure range of 0.6 to 1.1 atmospheres at sea level, which is 8.5 to 15.6 psi. A simple gauge tells you if a ball is in range.
Use the ball sizer above, then check which size your league or association sets for each age group.
For a full-size target, the posts sit 7.32 m apart on the inside, with the bar 2.44 m up. Pace it out to see how big that really is.
At the next free kick you watch, look at the wall. The Laws say it should be at least 9.15 m from the ball until it is kicked.
TWO NUMBERS WORTH KNOWING
Many of football’s distances are round numbers
in yards and feet, converted to metres.
8 yd × 8 ft
Width and height
The inside of the posts is 7.32 m (8 yards) apart and the lower edge of the crossbar is 2.44 m (8 feet) from the ground. The awkward metric figures are simply the imperial ones converted.
LAW 1 · THE GOAL
9.15 m
Centre circle and free kicks
The centre circle has a radius of 9.15 m (10 yards), and at a free kick opponents must stay at least 9.15 m from the ball until it is in play, unless they are on their own goal line between the posts.
LAW 1 AND LAW 13 · TEN YARDS
The penalty mark follows the same pattern: 11 m, or 12 yards, from the midpoint between the goalposts.
THE BALL SIZER
Pick a ball to see its circumference and weight. The figures come from FIFA’s youth football specification recommendations, which run from size 3 up to the adult size 5.
FIFA says these recommendations are not compulsory: national associations and leagues set which ball each age group uses, so check your own competition’s rules.

PITCH FACTS
The Football Association was formed on Monday 26 October 1863 at the Freemasons’ Tavern in Holborn, by representatives of about a dozen London and suburban clubs. Approving the first rules took six meetings.
Law 1 allows a touchline of 90 to 120 m and a goal line of 45 to 90 m. International matches narrow that to 100–110 m by 64–75 m.
Law 2 sets the adult ball at 410–450 g “at the start of the match”, 68–70 cm round, with a pressure of 0.6–1.1 atmospheres at sea level.
Law 7 sets two equal halves of 45 minutes. The half-time interval must not exceed 15 minutes, and competition rules must say how long it is.
The centre circle radius and the free-kick distance are both 9.15 m, which is 10 yards. A wall of three or more defenders keeps attackers at least 1 m away.
QUICK QUESTIONS
Short answers to the questions people ask most.
The Laws allow a touchline of 90 to 120 metres and a goal line of 45 to 90 metres. For international matches the range is tighter: 100 to 110 metres long and 64 to 75 metres wide.
An adult match ball must weigh between 410 and 450 grams at the start of the match, with a circumference of 68 to 70 centimetres and a pressure of 0.6 to 1.1 atmospheres at sea level.
The inside edges of the posts are 7.32 metres (8 yards) apart, and the lower edge of the crossbar is 2.44 metres (8 feet) above the ground.
Two equal halves of 45 minutes, which can only be shortened by agreement between the referee and both teams before kick-off, in line with competition rules. The half-time interval must not exceed 15 minutes.
On Monday 26 October 1863, when representatives of about a dozen London and suburban clubs met at the Freemasons’ Tavern in Holborn, London. It took six meetings to approve the first rules.
Each figure on this page comes from the sources below.
A NAME WITH A KICK
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