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 Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less. How Boomers and Millennials Differ The YOLO Economy is a focus on experiences over material possessions, prompting Boomers to consider a similar mindset. The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared?