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! Are You Making the Most of Your 401(k)? In this ebook, we outline your 401(k) choices and explore critical mistakes to avoid. Download it today First Name Last Name Email Address Thank you! Oops! Related Content The Investment Risk No One’s Ever Heard Of You face a risk for which the market does not compensate you, that can not be easily reduced through diversification. The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. A Penny Saved is Two Pennies Earned Here are some simple and inexpensive energy-saving tips that may help you save money.