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 Retirement Accounts When You Change Your Job This video discusses issues related to your retirement accounts when you move on from your job. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important. 9 Facts About Retirement Regardless of how you approach retirement, there are some things about it that might surprise you.