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 Suddenly Single: 3 Steps to Take Now Have you found yourself suddenly single? Here are 3 steps to take right now. Pay Yourself First It sounds simple, but paying yourself first can really pay off. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.