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 Are You Ready for Your Portfolio to Make a Difference? Learn about the rise of Impact Investing and how it may benefit you. Putting a Price Tag On Your Health Being healthy not only makes you feel good, it may also help you financially. How to Read Your Credit Report Solve a mystery while learning how important your credit report is with this story-driven interactive.