Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. 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! Related Content 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. What Smart Investors Know Savvy investors take the time to separate emotion from fact. Rebalancing Your Portfolio Over time, different investments' performances can shift a portfolio’s intent and risk profile. Rebalancing may be critical.