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. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. Managing Your Lifestyle Using smart management to get more of what you want and free up assets to invest. Starting a Roth IRA for a Teen This early financial decision could prove helpful over time.