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 Fixed or Variable Mortgage, Which Should You Pick? When selecting a mortgage, one of the most critical choices is between a fixed or variable interest-rate mortgage. Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic. 3 Estate Challenges for Blended Families This article will help your clients with blended families think and prepare their estate strategy.