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 Conquering Retirement Challenges for Women Looking ahead can help you conquer these unique obstacles. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits. Should I Accept a Free Credit Lock? Learn the ins and outs of credit locks, freezes, and more.