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 Estate Strategies of the Rich and Famous The examples of famous celebrities underline the need for a clear estate strategy. How Stocks Work Understanding how a stock works is key to understanding your investments. Buying Auto Insurance For Teen Drivers Tips on insuring your teen driver.