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 Message Thank you! Oops! Want to be Smarter With Your Money? Join our mailing list and get news and info to support your financial goals. First Name Last Name Email Address Thank you! Oops! Related Content Retirement Redefined Around the country, attitudes about retirement are shifting. Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. Will Power Preparing for the eventual distribution of your assets may not sound enticing. But a will puts the power in your hands.