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 Question Thank you! Oops! Related Content Net Unrealized Appreciation (NUA) Explained Have you considered the special tax treatment on company stock held in a 401(k) plan? When to Self-Insure Choosing to bear the financial burden of an adverse event is called self-insuring. Do you know what that entails? The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared?