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 Message Thank you! Oops! FREE GUIDE: THE SECURE ACT The SECURE Act changed the rules for retirement accounts and investing. Are you aware of how this may affect your investing strategy? Get all the details here in our free ebook. First Name Last Name Email Address Thank you! Oops! Related Content Making Your Tax Bracket Work Have you explored all your options when it comes to managing your taxable income? Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.