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 3 Estate Challenges for Blended Families This article will help your clients with blended families think and prepare their estate strategy. Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important.