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. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment. Saving for College This calculator can help you estimate how much you should be saving for college. Understanding the Alternate Valuation Date Executors can value the estate on the date of death, or on its six-month anniversary —the “Alternate Valuation Date."