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. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Starting a Roth IRA for a Teen This early financial decision could prove helpful over time. To Catch a Thief Having your identity stolen may result in financial loss plus the cost of trying to restore your good name. Tax & Estate Strategies for Married LGBTQ+ Couples Learn how to maximize your tax and estate strategy as a married member of the LGBTQ+ community.