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 Inflation & Retirement Estimate how much income may be needed at retirement to maintain your standard of living. Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? Password Protection Strategies Simple steps may help you foil hackers and protect your privacy.