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 Find That Lost Retirement Account With over 24 million “forgotten” 401(k) accounts, you may be surprised to learn of your unclaimed “found” money. Extended Care: A Patchwork of Possibilities What is your plan for health care during retirement? The Power of Compound Interest Learn how to harness the power of compound interest for your investments.