Self-Employed Retirement Plans Estimate the maximum contribution amount for a Self-Employed 401(k), SIMPLE IRA, or SEP. 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 Estate Strategies of the Rich and Famous The examples of famous celebrities underline the need for a clear estate strategy. Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way. When to Self-Insure Choosing to bear the financial burden of an adverse event is called self-insuring. Do you know what that entails?