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 Data Breach: Your Security To-Do List This article provides a checklist of steps to take if you experience a data breach. Five Most Overlooked Tax Deductions Five overlooked tax deductions to help manage your tax bill. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.