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 Pay Yourself First It sounds simple, but paying yourself first can really pay off. The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared? Leaving Your Lasting Legacy Want to do more with your wealth? You might want to consider creating a charitable foundation.