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 What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA. Exploring Retirement Plans for Small Businesses Help small businesses make better retirement decisions for employees with this eye-catching and informative infographic. Jane Bond: Infiltrating the Market Agent Jane Bond is on the case, cracking the code on bonds.