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 Tax Deductions You Won't Believe Here are some examples of deductions from the IRS that were permitted and some that were, uh, too creative. The Most Overlooked Item of Any Home Improvement The item most homeowners forget on their home improvement project checklist is insurance. How Financial Professionals Are Compensated Read this overview to learn how financial advisors are compensated.