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 How Insurance Deductibles Work Knowing how insurance deductibles work can help you save money. RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two? What Is My Risk Tolerance? This questionnaire will help determine your tolerance for investment risk.