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 Errors and Omissions Insurance E&O insurance is specifically designed to protect you, or your company, from the risk of a client’s dissatisfaction. Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does.