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 Message Thank you! Oops! Related Content A Bucket Plan to Go with Your Bucket List Longer, healthier living can put greater stress on retirement assets; the bucket approach may be one answer. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. How to Read Your Credit Report Solve a mystery while learning how important your credit report is with this story-driven interactive.