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 Making Your Tax Bracket Work Have you explored all your options when it comes to managing your taxable income? Insurance Needs Assessment: When You're Young and Single Even if you’re young and single, you should still consider protecting yourself. Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit.