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 The Business Cycle How will you weather the ups and downs of the business cycle? Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared?