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 The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio. 3 Estate Challenges for Blended Families This article will help your clients with blended families think and prepare their estate strategy.