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 How the Federal Reserve Works Each day, the Fed is behind the scenes supporting the economy and providing services to the U.S. financial system. Please Leave Home Without It Concerns over identity theft continue to grow, especially with data breaches at major companies and financial institutions. A Penny Saved is Two Pennies Earned Here are some simple and inexpensive energy-saving tips that may help you save money.