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 A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. Potential Income from an IRA Estimate your monthly and annual income from various IRA types. Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card.