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 Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. Retirement Considerations in Your 60s Welcome to your 60s – the time in your life when retirement is less a far-off dream and more an immediate reality.