8 ft 8 in (264 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
John F. Carroll is commonly listed at 8 ft 8 in (264 cm).
Severe curvature of the spine kept his standing height near 8 ft. The figure here is the height he would have had with a normal spine.
John F. Carroll’s 8 ft 8 in (264 cm) is very tall for a US man: more than 95 in 100 US men are shorter.
John F. Carroll is one of the 29 record holders we have heights for: Robert Wadlow (8 ft 11 in) stands 3 in (8 cm) taller and Mikel Ruffinelli (5 ft 4 in) is 3 ft 4 in (102 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
Browse people for more comparisons.
| APA | Heightvs. (2026, November 3). How tall was John F. Carroll? 8 ft 8 in (264 cm) vs you. https://heightvs.com/how-tall/john-f-carroll |
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| MLA | “How Tall Was John F. Carroll? 8 ft 8 in (264 cm) vs You.” Heightvs, 3 Nov. 2026, heightvs.com/how-tall/john-f-carroll. |
| Chicago | “How Tall Was John F. Carroll? 8 ft 8 in (264 cm) vs You.” Heightvs. Last modified November 3, 2026. https://heightvs.com/how-tall/john-f-carroll. |
| Link | <a href="https://heightvs.com/how-tall/john-f-carroll">How tall was John F. Carroll? 8 ft 8 in (264 cm) vs you (Heightvs)</a> |
For the height itself, cite the original publisher as well: Wikipedia.