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 The A, B, C, & D of Medicare Learn about all the parts of Medicare with this informative and enjoyable article. Is Term Life Insurance for You? Term insurance is the simplest form of life insurance. Here's how it works. When Life Insurance Becomes Taxable Life insurance proceeds are generally tax-free. But not in all cases.