6 ft 3 in (191 cm)
A commonly listed height, as Wikipedia gives it, with no date or method, so shoes and rounding may be part of the number.
Source: Wikipedia
Sonny Bill Williams is commonly listed at 6 ft 3 in (191 cm).
A figure repeated without a date or a measurement. Where this height comes from
Sonny Bill Williams’s 6 ft 3 in (191 cm) is very tall for a US man: more than 95 in 100 US men are shorter.
Sonny Bill Williams is the tallest of the 2 rugby league players we have heights for: Kevin Sinfield (6 ft 1 in) is next, 2.5 in (6 cm) shorter.
A commonly listed height, as Wikipedia gives it, with no date or method, so shoes and rounding may be part of the number.
Source: Wikipedia
Photo: Luton Anderson, CC BY-SA 2.0, via Wikimedia Commons, cropped.
Browse people for more comparisons.
| APA | Heightvs. (2026, November 3). How tall is Sonny Bill Williams? 6 ft 3 in (191 cm) vs you. https://heightvs.com/how-tall/sonny-bill-williams |
|---|---|
| MLA | “How Tall Is Sonny Bill Williams? 6 ft 3 in (191 cm) vs You.” Heightvs, 3 Nov. 2026, heightvs.com/how-tall/sonny-bill-williams. |
| Chicago | “How Tall Is Sonny Bill Williams? 6 ft 3 in (191 cm) vs You.” Heightvs. Last modified November 3, 2026. https://heightvs.com/how-tall/sonny-bill-williams. |
| Link | <a href="https://heightvs.com/how-tall/sonny-bill-williams">How tall is Sonny Bill Williams? 6 ft 3 in (191 cm) vs you (Heightvs)</a> |
For the height itself, cite the original publisher as well: Wikipedia.