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 Message Thank you! Oops! Related Content Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. Historical Inflation This calculator shows how inflation over the years has impacted purchasing power.