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 How Big is Money? Learn a little about worldwide currency in this fun infographic Making Your Tax Bracket Work Have you explored all your options when it comes to managing your taxable income? The Junk Drawer Approach to Investing It's easy to let investments accumulate like old receipts in a junk drawer.