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 Why Regular Rebalancing Makes Sense Without your knowing, your investment portfolio could be off-kilter. Caring for Aging Parents As our nation ages, many Americans are turning their attention to caring for aging parents. Exit Strategies of the Rich and Famous Estate conservation is too important to put off. Do you have a smart exit strategy?