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 The Basics of Medicare Learn all about Medicare basics in this informative and insightful article. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Contributing to an IRA? Determine if you are eligible to contribute to a traditional or Roth IRA.