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 Social Security: Maximizing Benefits There are other ways to maximize Social Security benefits, in addition to waiting to claim them. What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement. Retirement Questions That Have Nothing to Do With Money Things to consider before retirement.