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 A Home Insurance Claim: To File Or Not To File Learn when it may not make sense to file a claim on your home insurance. Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits.