If unraveled and stretched out, the DNA in the nucleus of a single human cell would be about 2 meters long, or 6 1/2 feet!!
Taggart, Ralph, Christine Evers, and Lisa Starr. “4.6 The Nucleus.” Cell Biology and Genetics. By Cecie Starr. Vol. 1. N.p.: Cengage Learning, 2015. 62-63. Print.