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 Retiring the 4% Rule A portfolio created with your long-term objectives in mind is crucial as you pursue your dream retirement. 5 Keys to Fiscal Fitness These basic moves, if done consistently, can help ensure that you are fiscally fit both now and in the future. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate.