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 Countering Counterfeit Currency Combating counterfeiting remains core to preserving the integrity of the nation’s money. Retirement and Quality of Life Asking the right questions about how you can save money for retirement without sacrificing your quality of life. Lifetime of Earnings Estimate how much you have the potential to earn during your working years.