at least 1.68 in (4.3 cm)
A golf ball is at least 1.68 in (4.3 cm) from side to side (the smallest a ball may be under the R&A and USGA rules). The smallest diameter the R&A and USGA equipment rules allow.
Source: Wikipedia
A golf ball is at least 1.68 in (4.3 cm) from side to side (the smallest a ball may be under the R&A and USGA rules).
The hole on the green that it is played into is 4¼ in (108 mm) across, about two and a half balls wide.
A golf ball is at least 1.68 in (4.3 cm) from side to side (the smallest a ball may be under the R&A and USGA rules). The smallest diameter the R&A and USGA equipment rules allow.
Source: Wikipedia
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| APA | Heightvs. (2026, October 17). How big is a golf ball? Drawn to scale beside a person. https://heightvs.com/how-tall/golf-ball |
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| MLA | “How Big Is a Golf Ball? Drawn to Scale Beside a Person.” Heightvs, 17 Oct. 2026, heightvs.com/how-tall/golf-ball. |
| Chicago | “How Big Is a Golf Ball? Drawn to Scale Beside a Person.” Heightvs. Last modified October 17, 2026. https://heightvs.com/how-tall/golf-ball. |
| Link | <a href="https://heightvs.com/how-tall/golf-ball">How big is a golf ball? Drawn to scale beside a person (Heightvs)</a> |
For the height itself, cite the original publisher as well: Wikipedia.