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 U.S. Personal Savings Rate What can be learned from the savings rate? Exit Strategies of the Rich and Famous Estate conservation is too important to put off. Do you have a smart exit strategy? Password Protection Strategies Simple steps may help you foil hackers and protect your privacy.