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! Related Content From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. What is Guaranteed Retirement Income? Get the facts about guaranteed retirement income. Father Knows Best Financial behaviors you learned from dad may be influencing your own confidence in managing money.