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 Retirement Redefined Around the country, attitudes about retirement are shifting. 9 Facts About Social Security There are things about Social Security that might surprise you. Caring for Aging Parents As our nation ages, many Americans are turning their attention to caring for aging parents.