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 What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement. Protection Against Uninsured Drivers You’re hit by an uninsured driver. Now what? Are you protected against financial losses? Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card.