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. An Arm and a Leg A visit to the hospital can be painful, for both your body and your wallet. Don’t let it be more painful than it has to be. Infographic: Women Are Financially Savvy Women Are Financially Savvy. Yet, there are still unique challenges working against women in retirement.