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 U.S. Personal Savings Rate What can be learned from the savings rate? Extended Care: A Patchwork of Possibilities What is your plan for health care during retirement? Inflation & Your Money It's important to understand how inflation is reported and how it can affect investments.