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! Free Retirement Guide It's never too soon to start preparing for retirement. But do you know what to look out for? Download our free ebook, "Retire Happy: A Simple Guide to Your Next Big Adventure." First Name Last Name Email Address Thank you! Oops! Related Content Perception vs. Reality There’s an alarming difference between perception and reality for current and future retirees. The Anatomy of an Index The S&P 500 represents a large portion of the value of the U.S. equity market, it may be worth understanding. Earnings for All Seasons Earnings season can move markets. What is it and why is it important?