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 Travel, Without the Baggage Tips to avoid checking in luggage on your next vacation. A Taxing Story: Capital Gains and Losses Understanding how capital gains are taxed may help you refine your investment strategies. Coaches Coaches have helped you your whole life, in ways big and small. We’d like to be one of them.