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. Related Content Roth IRA for Kids Learn about the benefits and requirements of opening a Roth IRA for kids. RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two? Social Media: #NewestBusinessLiabilityRisk Social media may be a modern imperative for businesses looking to grow and build their brand, but it also introduces risk.