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 Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage. A Living Trust Primer Living trusts are popular, but their appropriateness will depend upon your individual needs and objectives. Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives.