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 Question Thank you! Oops! Related Content When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. As of Today, You’re Different. Help others achieve life-long financial balance with just a desire to be something different.