5 ft 8.5 in (174 cm)
A commonly listed height: it appears across many profiles, but none says when or how it was measured, so shoes and rounding may be part of the number.
Mark Twain is commonly listed at 5 ft 8.5 in (174 cm).
A figure repeated without a date or a measurement. Where this height comes from
Mark Twain’s 5 ft 8.5 in (174 cm) is about average for a US man: about 44 in 100 US men are shorter.
Mark Twain is in the middle of the 15 writers we have heights for: Peter Freuchen (6 ft 7 in) stands 10.5 in (27 cm) taller and Lorenz Hart (5 ft 0 in) is 8.5 in (22 cm) shorter.
A commonly listed height: it appears across many profiles, but none says when or how it was measured, so shoes and rounding may be part of the number.
Photo: A.F. Bradley, New York, Public domain, via Wikimedia Commons, cropped.
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| APA | Heightvs. (2026, November 3). How tall was Mark Twain? 5 ft 8.5 in (174 cm) vs you. https://heightvs.com/how-tall/mark-twain |
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| MLA | “How Tall Was Mark Twain? 5 ft 8.5 in (174 cm) vs You.” Heightvs, 3 Nov. 2026, heightvs.com/how-tall/mark-twain. |
| Chicago | “How Tall Was Mark Twain? 5 ft 8.5 in (174 cm) vs You.” Heightvs. Last modified November 3, 2026. https://heightvs.com/how-tall/mark-twain. |
| Link | <a href="https://heightvs.com/how-tall/mark-twain">How tall was Mark Twain? 5 ft 8.5 in (174 cm) vs you (Heightvs)</a> |