- Who
- Ayanna Williams
- What
- 576.41 centimetre(s)
- Where
- United States (Houston)
- When
The longest fingernails on a pair of hands (female) belong to Ayanna Williams (USA), and have a combined total measurement of 576.4 cm (18 ft 10.9 in), as measured in Houston, Texas, USA, on 7 February 2017.
Read more: Meet Ayanna Williams, the lady with the world’s longest fingernails