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 Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. To Catch a Thief Having your identity stolen may result in financial loss plus the cost of trying to restore your good name. Retiring the 4% Rule A portfolio created with your long-term objectives in mind is crucial as you pursue your dream retirement.