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 A Taxing Story: Capital Gains and Losses Understanding how capital gains are taxed may help you refine your investment strategies. Investing for Impact Learn how to build a socially conscious investment portfolio and invest in your beliefs. Supplementing Retirement Income with Whole Life Whole Life insurance can add to your retirement income and allow you to live confidently.