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 Question Thank you! Oops! Related Content What You Should Do About Insurance Following a Divorce In the face of divorce, making changes to insurance coverage may be overlooked. The Economic Journey of Your Morning Coffee Few contemplate the complex journey that brought their coffee from farm to kitchen table. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates.