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 Putting a Price Tag On Your Health Being healthy not only makes you feel good, it may also help you financially. A Penny Saved is Two Pennies Earned Here are some simple and inexpensive energy-saving tips that may help you save money. A Bucket Plan to Go with Your Bucket List A bucket plan can help you be better prepared for a comfortable retirement.