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 What You Should Do About Insurance Following a Divorce In the face of divorce, making changes to insurance coverage may be overlooked. Women and Wealth: A Pivot Towards Retirement Tips and strategies for women approaching retirement to ensure a smooth transition. Asset Allocation Consider how your assets are allocated and if that allocation is consistent with your time frame and risk tolerance.