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 Does Your Portfolio Fit Your Retirement Lifestyle? Lifestyle considerations in creating your retirement portfolio. Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way. The Basics of Medicare Learn all about Medicare basics in this informative and insightful article.