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 ABCs of Zero Coupon Bonds Understanding some basic concepts may help you assess whether zero-coupon bonds have a place in your portfolio. Countering Counterfeit Currency Combating counterfeiting remains core to preserving the integrity of the nation’s money. Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college.