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 What Does That Mean? IDK Financial acronyms you should know. 10 Scary Facts About Retirement While you’re exploring the new opportunities the next phase in your life offers, these shocking facts add a healthy dose of reality to your retirement planning. Should You Borrow from Your 401(k)? Does it make sense to borrow from my 401(k) to pay off debt or to make a major purchase?