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 Message Thank you! Oops! Related Content Choices for Your 401(k) at a Former Employer Individuals have three basic choices with the 401(k) account they accrued at a previous employer. Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan.