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 Potential Income from an IRA Estimate your monthly and annual income from various IRA types. Are Alternative Investments Right for You? With alternative investments, it’s critical to sort through the complexity. How to Make the Tax Code Work for You When you take the time to learn more about how it works, you may be able to put the tax code to work for you.