Where does this come from, and can I check it?

It must also measure at least 42.67 millimetres across its diameter. The figure is taken from The R&A, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a sports fact?

Yes. It sits on the Sports shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

What else can I read about it?

The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

A golf ball cannot weigh more than 45.93 grams

It must also measure at least 42.67 millimetres across its diameter Those limits have been in the rules since the 1930s and are checked at tournaments with a ring gauge and a balance. The rules also cap the ball's initial velocity and set a limit on how far a club and ball may travel together. Modern balls carry around 300 to 500 dimples. It sits in Mondo's sports collection, one of 200 facts that each trace back to the reference below.

Where this comes from

The R&A

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

Go further

Sports trivia

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Tags: golf, equipment, rules

A golf ball cannot weigh more than 45.93 grams: the short answers

Where does this come from, and can I check it?: It must also measure at least 42.67 millimetres across its diameter. The figure is taken from The R&A, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a sports fact?: Yes. It sits on the Sports shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.