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 What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement. Planning Your Legacy Legacy or estate planning is part of good retirement planning. Here are a few things to consider when working on your plan. Do You Know the Whole Life Story? Change comes at us from every angle as people update and upgrade everything from their diets to their devices, seemingly every day.