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 Six Surprising Facts About Retirement Confidence This attention-grabbing infographic covers retirement topics you may not have considered. The 12 Steps to Living Confidently: Smart Debt Decisions Here’s how you can distinguish the difference between healthy and unhealthy debt, and prevent debt from leading stress. What If You Get Audited? The chances of an IRS audit aren't that high. And being audited does not necessarily imply that the IRS suspects wrongdoing.