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 A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. The Latte Lie and Other Myths Check out this video to begin separating fact from fiction. Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college.