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 Question Thank you! Oops! Related Content Defining Your Priorities Achieving a long-term goal, like retirement, starts by taking small actions today. Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). Understanding Homeowners Insurance Purchasing homeowners insurance is critical for protecting your home.