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. Estate Strategies of the Rich and Famous The examples of famous celebrities underline the need for a clear estate strategy. A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss.