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 Infographic: Playing the Odds With Your Future? Plan for the things you can protect against, like a loss of income due to illness or injury. 3 Important Insurance Considerations for Retirees Insurance policies are designed to help protect your livelihood, your loved ones, your property and those around you. IRA Withdrawals that Escape the 10% Tax Penalty The list of IRA withdrawals that may be taken without incurring a 10% early penalty has grown.