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 Surprises Making the most of surprises is a great reason to work with us. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them.