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. Related Content Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money. Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment. What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money.