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 When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Medicare At 65+ 65 or older? It may be time to enroll in Medicare. Read to learn if you’re eligible. Changing Unhealthy Behaviors Five phases to changing unhealthy behaviors.