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 The History of Currency Currency has been around for a long time. Here’s a quick history lesson. What Is My Life Expectancy? Estimate how many years you may need retirement assets or how long to provide income to a surviving spouse or children. What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement.