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 Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals. RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two? Caring for Aging Parents As our nation ages, many Americans are turning their attention to caring for aging parents.