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 Question Thank you! Oops! Related Content Bursting the Bubble Tulips were the first, but they won’t be the last. What forms a “bubble” and what causes them to burst? A Living Trust Primer Living trusts are popular, but their appropriateness will depend upon your individual needs and objectives. Tuning Your Social Security Benefit When should you take your Social Security benefit?