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. Related Content Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio. Investing for Impact Learn how to build a socially conscious investment portfolio and invest in your beliefs. Buying vs. Leasing a Car Whatever your relationship with your car, it may eventually come time for a new one. Familiarize yourself with your options.