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 Behavioral Finance An amusing and whimsical look at behavioral finance best practices for investors. Retirement Questions That Have Nothing to Do With Money Things to consider before retirement. Pullbacks, Corrections, and Bear Markets When the market experiences volatility, it may be a good time to review these common terms.