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 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals. Retirement Redefined Around the country, attitudes about retirement are shifting. You Are Not Alone it Just Feels That Way Let’s start getting your financial priorities and attitudes in sync with model behaviors.