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 Saving for College 101 Here’s a crash course on saving for college. How Income Taxes Work A quick look at how federal income taxes work. Pullbacks, Corrections, and Bear Markets When the market experiences volatility, it may be a good time to review these common terms.