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 Message 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. Bridging the Confidence Gap In the world of finance, the effects of the "confidence gap" can be especially apparent. Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need.