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! Test Your Investment Knowledge! How much do you know about investing? Take our quiz and find out instantly. First Name Last Name Email Address Thank you! Oops! Related Content A Taxing Story: Capital Gains and Losses Understanding how capital gains are taxed may help you refine your investment strategies. Tax-Advantaged Health Care Planning for Retirement Heading into retirement with confidence is easier if your planning includes steps to minimize taxes, especially as it relates to health care planning. What To Do When Your Income Reaches 7 Figures Preserve your hIgh net worth with these foundational tips.