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 Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month. Choosing a Business Structure Entrepreneurs all face the same question, “Which business structure should I adopt?” Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible.