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 Social Security: Maximizing Benefits There are other ways to maximize Social Security benefits, in addition to waiting to claim them. Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage. Prevent a Rift: Money Tips for Newlyweds Couples may be able to head off many of the problems in a marriage that money can cause.