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 Question Thank you! Oops! Related Content Yours, Mine, and Ours: Estate Strategies for Second Marriage Second marriages are a trigger event to revisit any existing estate strategies. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. Understanding Equity Compensation Net Unrealized Appreciation and how it affects tax responsibilities.