https://good-idea.github.io/student-debt-calculator/
Originally built by Our Future and Good Idea for It Works if You Work It, a project presented by the Association for Young Americans
Calculations are based off of an estimated amount of total federal and private student debt of $1,396,335,480,000 as of October 1, 2016, and increasing at an estimated rate of $2853.88 per second.
Sources:
http://www.finaid.org/loans/studentloandebtclock.phtml https://www.federalreserve.gov/releases/g19/HIST/cc_hist_memo_levels.html