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 When to Self-Insure Choosing to bear the financial burden of an adverse event is called self-insuring. Do you know what that entails? Keeping Good Records is Good Business Maintaining good records for your business not only helps to meet your tax and legal obligations, but it can save you money. The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge.