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 When to Self-Insure Choosing to bear the financial burden of an adverse event is called self-insuring. Do you know what that entails? Build your dream retirement The right retirement for you will be unique to your needs, goals, and current life situation. Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic.