Answer:
The current world recorder holder for the longest fingernails is said to be Lee Redmond (USA). Ms. Redmond, who hasn't cut her nails since 1979, has grown and carefully manicured them to reach a total length of 7 m 51.3 cm (24 ft 7.8 in).The measurements of her nails are as follow:
Right hand
Thumb 76.4 cm 30.1 in
Index finger 72.3 cm 28.5 in
Middle finger 74.1 cm 29.2 in
Ring finger 73.6 cm 29 in
Little finger 71.6 cm 28.2 in
Left Hand
Thumb 80 cm 31.5 in
Index finger 76.4 cm 30.1 in
Middle finger 76.7 cm 30.2 in
Ring finger 76.2 cm 30 in
Little finger 73.6 cm