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 Question Thank you! Oops! Related Content The Business Cycle Understanding the economy's cycles can help put current business conditions in better perspective. A Primer on Dividends A company's profits can be reinvested or paid out to the company’s shareholders as “dividends." Life and Death of a Twenty Dollar Bill How long does a $20 bill last?