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? Name Email Address Question Thank you! Oops! Related Content Four Reasons Millennials Need an Estate Strategy Estate strategies for millennials may sound like less of a concern than retirement, but young adults should prepare now. Retirement Redefined Around the country, attitudes about retirement are shifting. Whole Life: The Key to Unlocking your Retirement Imagine a retirement without having to worry about money? Well, it’s possible.