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 Message Thank you! Oops! Related Content How to Conquer the World - 5 Financial Strategies for Savvy Learn more about women taking control of their finances with this infographic. The Latte Lie and Other Myths Check out this video to begin separating fact from fiction. From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history.