Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government. What Can You Buy With 529 Distributions? This article can be a helpful guide when begin preparing for education expenses.