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 The A, B, C, & D of Medicare Learn about all the parts of Medicare with this informative and enjoyable article. Retirement and Quality of Life Asking the right questions about how you can save money for retirement without sacrificing your quality of life. Building a Solid Financial Foundation Sustain financial well-being or create wealth through these actions.