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 Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. Reviewing Your Life Insurance Needs Learn how the review process works and how it may help you better understand your Life Insurance. How to Appeal Your Property Taxes For homeowners who think their property taxes are too high, there are ways to appeal.