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Content Paying Tax Later Doesn't Always Mean Paying Less 401(k) savings are taxed as ordinary income when funds are withdrawn. 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. Finding the Balance The sandwich generation faces unique challenges. For many, meeting needs is a matter of finding a balance.