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 Question Thank you! Oops! Related Content Important Birthdays Over 50 Here's a look at several birthdays and “half-birthdays” that have implications regarding your retirement income. Dog Bites and Homeowners Insurance Reviewing coverage options is just one thing responsible pet parents can do to help look out for their dogs. When to Self-Insure Choosing to bear the financial burden of an adverse event is called self-insuring. Do you know what that entails?