# Golf ball size: Ø42.67 mm minimum, 45.93 g maximum (R&A / USGA)

> What is the diameter of a golf ball?

- Category: Everyday objects › Sports
- Kind: Standard part
- Basis: R&A Rules of Equipment Part 4 (same limits in the USGA rules)
- Page: https://xemstudio.com/objects/golf-ball/ · JSON: https://xemstudio.com/api/geometry?object=golf-ball · Plain text: https://xemstudio.com/objects/golf-ball/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 42.67 | 42.67 | 42.67 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- Diameter not less than 1.680 in (42.67 mm); weight not more than 1.620 oz (45.93 g).
- Dimples are not modelled: holders, tees and displays need only the envelope; give 0.5 mm clearance.

## Sizes

| limit | inch / oz | mm / g |
|---|---|---|
| minimum diameter | 1.680 in | 42.67 |
| maximum weight | 1.620 oz | 45.93 |

## Where the files are

- R&A: [Rules of Equipment, Part 4: conformance of balls](https://www.randa.org/roe/the-rules-of-equipment/part-4-conformance-of-balls) — web — Publisher's page; dimensions are facts
- USGA: [Equipment rules: balls](https://www.usga.org/etc/designs/usga/content/rule-book/clubs-balls/rule-14611.html) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/golf-ball/index.json

- golf-ball-42.67: [STEP](https://xemstudio.com/files/hardware/golf-ball/golf-ball-42.67.step) · [STL](https://xemstudio.com/files/hardware/golf-ball/golf-ball-42.67.stl) — Golf ball envelope: Ø42.67 mm sphere (minimum legal diameter)

## Questions

**How big is a golf ball?**

At least 42.67 mm (1.68 in) across.

## Fits with

- [Aluminium beverage cans: 12 oz standard, 16 oz, 330/500 mL, sleek, slim, mini](https://xemstudio.com/objects/beverage-cans/)