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! Related Content Potential Income from an IRA Estimate your monthly and annual income from various IRA types. Tax Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years. A Penny Saved is Two Pennies Earned Here are some simple and inexpensive energy-saving tips that may help you save money.