Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Related Content Will You Pay the AMT? Despite recent tax-law changes, many Americans are expected to pay the AMT this year. How to Appeal Your Property Taxes For homeowners who think their property taxes are too high, there are ways to appeal. Tax Management Strategies Learn more about taxes, tax-favored investing, and tax strategies.