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 Saving for College 101 Here’s a crash course on saving for college. Exit Strategies of the Rich and Famous Estate conservation is too important to put off. Do you have a smart exit strategy? U.S. Personal Savings Rate What can be learned from the savings rate?