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 Social Security: The Elephant in the Room Some people wonder if Social Security will remain financially sound enough to pay the benefits they are owed. What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA. Are Alternative Investments Right for You? With alternative investments, it’s critical to sort through the complexity.