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 Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out. Retirement Questions That Have Nothing to Do With Money Things to consider before retirement.