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 Immediate vs. Deferred Annuities Looking forward to retirement? It's critical to understand the difference between immediate and deferred annuities. Protection Against Uninsured Drivers You’re hit by an uninsured driver. Now what? Are you protected against financial losses? A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss.