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? Address Thank you! Oops! Related Contents The Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you. Death is No Excuse The federal government requires deceased individuals to file a final income tax return. Tax Management Strategies Learn more about taxes, tax-favored investing, and tax strategies.