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. Estate Strategies of the Rich and Famous The examples of famous celebrities underline the need for a clear estate strategy. Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible.