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 | Have A Question About This Topic? Address Thank you! Oops! Related Contents Making Your Tax Bracket Work Have you explored all of your choices when it comes to managing your taxable income? How Income Taxes Work A quick look at how federal income taxes work. Tax Management Strategies Learn more about taxes, tax-favored investing, and tax strategies.