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 Find That Lost Retirement Account With over 24 million “forgotten” 401(k) accounts, you may be surprised to learn of your unclaimed “found” money. Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college. Consider Keeping Your Life Insurance When You Retire Reasons to retain your coverage into your retirement years.