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 Making Your Tax Bracket Work Have you explored all your options when it comes to managing your taxable income? Six Most Overlooked Tax Deductions Six overlooked tax deductions to help manage your tax bill. Tax Management Strategies Learn more about taxes, tax-favored investing, and tax strategies.