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 The Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you. Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio. Asset Allocation Consider how your assets are allocated and if that allocation is consistent with your time frame and risk tolerance.