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 Power of Compound Interest Learn how to harness the power of compound interest for your investments. When Markets React When markets shift, experienced investors stick to their strategy. Protecting Your Business from the Loss of a Key Person Business owners may be able to protect themselves from the financial consequences of losing a key employee.