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 Errors and Omissions Insurance E&O insurance is specifically designed to protect you, or your company, from the risk of a client’s dissatisfaction. Assess Life Insurance Needs How to help determine life insurance needs to provide for your family after you pass away. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important.