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 Year-End Charitable Gifting and You This article may help you maximize the benefits of your donation for your chosen charity. Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits.