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 How to Invest in LGBTQ+ Friendly Companies This article allows those who support LGBTQ+ interests to explore the possibilities of Socially Responsible Investing. Understanding the Basics of Medigap Policies Important as it is, Medicare does not cover the full range of health-care expenses you may experience in your golden years. Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them.