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 Message Thank you! Oops! Related Content Defining Your Priorities Achieving a long-term goal, like retirement, starts by taking small actions today. What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement. The Basics of Medicare Learn all about Medicare basics in this informative and insightful article.